1463521940 has 24 divisors (see below), whose sum is σ = 3074198400. Its totient is φ = 585255968.

The previous prime is 1463521909. The next prime is 1463521951. The reversal of 1463521940 is 491253641.

It is a super-2 number, since 2×1463521940² = 4283792937722727200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1463521940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99161 + ... + 112959.

It is an arithmetic number, because the mean of its divisors is an integer number (128091600).

Almost surely, 2^1463521940 is an apocalyptic number.

1463521940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463521940 is an abundant number, since it is smaller than the sum of its proper divisors (1610676460).

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

1463521940 is a wasteful number, since it uses less digits than its factorization.

1463521940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111 (or 19109 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1463521940 is about 38256.0052802171. The cubic root of 1463521940 is about 1135.3586658466.

The spelling of 1463521940 in words is "one billion, four hundred sixty-three million, five hundred twenty-one thousand, nine hundred forty".