15152045440 has 64 divisors (see below), whose sum is σ = 41397564960. Its totient is φ = 5194985472.

The previous prime is 15152045423. The next prime is 15152045443. The reversal of 15152045440 is 4454025151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15152045443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686597 + ... + 1695556.

Almost surely, 2^15152045440 is an apocalyptic number.

15152045440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15152045440 is an abundant number, since it is smaller than the sum of its proper divisors (26245519520).

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

15152045440 is an equidigital number, since it uses as much as digits as its factorization.

15152045440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382179 (or 3382167 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 15152045440 in words is "fifteen billion, one hundred fifty-two million, forty-five thousand, four hundred forty".