152326640 has 40 divisors (see below), whose sum is σ = 362403888. Its totient is φ = 59512320.

The previous prime is 152326639. The next prime is 152326649. The reversal of 152326640 is 46623251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152326649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18701 + ... + 25580.

Almost surely, 2^152326640 is an apocalyptic number.

152326640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152326640 is an abundant number, since it is smaller than the sum of its proper divisors (210077248).

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

152326640 is a wasteful number, since it uses less digits than its factorization.

152326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44337 (or 44331 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 152326640 is about 12342.0678980469. The cubic root of 152326640 is about 534.0623398818.

Adding to 152326640 its reverse (46623251), we get a palindrome (198949891).

The spelling of 152326640 in words is "one hundred fifty-two million, three hundred twenty-six thousand, six hundred forty".