325705577472 has 1320 divisors, whose sum is σ = 1195412758848. Its totient is φ = 87783505920.

The previous prime is 325705577467. The next prime is 325705577609. The reversal of 325705577472 is 274775507523.

325705577472 is a `hidden beast` number, since 3 + 2 + 57 + 0 + 55 + 77 + 472 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3924163543 + ... + 3924163625.

Almost surely, 2^325705577472 is an apocalyptic number.

325705577472 is a gapful number since it is divisible by the number (32) 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 325705577472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597706379424).

325705577472 is an abundant number, since it is smaller than the sum of its proper divisors (869707181376).

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

325705577472 is a wasteful number, since it uses less digits than its factorization.

325705577472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 14406000, while the sum is 54.

The spelling of 325705577472 in words is "three hundred twenty-five billion, seven hundred five million, five hundred seventy-seven thousand, four hundred seventy-two".