152432654640 has 80 divisors (see below), whose sum is σ = 540047125248. Its totient is φ = 34841749248.

The previous prime is 152432654573. The next prime is 152432654771. The reversal of 152432654640 is 46456234251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 152432654592 and 152432654601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45365182 + ... + 45368541.

Almost surely, 2^152432654640 is an apocalyptic number.

152432654640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152432654640 is an abundant number, since it is smaller than the sum of its proper divisors (387614470608).

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

152432654640 is a wasteful number, since it uses less digits than its factorization.

152432654640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90733746 (or 90733740 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 152432654640 its reverse (46456234251), we get a palindrome (198888888891).

The spelling of 152432654640 in words is "one hundred fifty-two billion, four hundred thirty-two million, six hundred fifty-four thousand, six hundred forty".