1497466240 has 128 divisors (see below), whose sum is σ = 3686173920. Its totient is φ = 581468160.

The previous prime is 1497466231. The next prime is 1497466249. The reversal of 1497466240 is 426647941.

It is an interprime number because it is at equal distance from previous prime (1497466231) and next prime (1497466249).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497466249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443352 + ... + 4443688.

Almost surely, 2^1497466240 is an apocalyptic number.

1497466240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497466240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843086960).

1497466240 is an abundant number, since it is smaller than the sum of its proper divisors (2188707680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497466240 is a wasteful number, since it uses less digits than its factorization.

1497466240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1497466240 is about 38697.1089359399. The cubic root of 1497466240 is about 1144.0693390414.

The spelling of 1497466240 in words is "one billion, four hundred ninety-seven million, four hundred sixty-six thousand, two hundred forty".