915232849920 has 1088 divisors, whose sum is σ = 3478896967680. Its totient is φ = 227907993600.

The previous prime is 915232849907. The next prime is 915232849933. The reversal of 915232849920 is 29948232519.

915232849920 is a `hidden beast` number, since 9 + 1 + 523 + 2 + 8 + 4 + 99 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (915232849907) and next prime (915232849933).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12890603485 + ... + 12890603555.

Almost surely, 2^915232849920 is an apocalyptic number.

915232849920 is a gapful number since it is divisible by the number (90) 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 915232849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739448483840).

915232849920 is an abundant number, since it is smaller than the sum of its proper divisors (2563664117760).

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

915232849920 is an equidigital number, since it uses as much as digits as its factorization.

915232849920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 915232849920 in words is "nine hundred fifteen billion, two hundred thirty-two million, eight hundred forty-nine thousand, nine hundred twenty".