1402240000 has 220 divisors, whose sum is σ = 4015951984. Its totient is φ = 479232000.

The previous prime is 1402239977. The next prime is 1402240003. The reversal of 1402240000 is 422041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4479844 + ... + 4480156.

Almost surely, 2^1402240000 is an apocalyptic number.

1402240000 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 1402240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007975992).

1402240000 is an abundant number, since it is smaller than the sum of its proper divisors (2613711984).

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

1402240000 is an frugal number, since it uses more digits than its factorization.

1402240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1402240000 is about 37446.4951630990. The cubic root of 1402240000 is about 1119.2852582615.

Adding to 1402240000 its reverse (422041), we get a palindrome (1402662041).

The spelling of 1402240000 in words is "one billion, four hundred two million, two hundred forty thousand".