690872031360 has 768 divisors, whose sum is σ = 2832529489920. Its totient is φ = 151837286400.

The previous prime is 690872031323. The next prime is 690872031401. The reversal of 690872031360 is 63130278096.

690872031360 is a `hidden beast` number, since 6 + 9 + 0 + 87 + 203 + 1 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203735265 + ... + 203738655.

It is an arithmetic number, because the mean of its divisors is an integer number (3688189440).

Almost surely, 2^690872031360 is an apocalyptic number.

690872031360 is a gapful number since it is divisible by the number (60) 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 690872031360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416264744960).

690872031360 is an abundant number, since it is smaller than the sum of its proper divisors (2141657458560).

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

690872031360 is a wasteful number, since it uses less digits than its factorization.

690872031360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 690872031360 in words is "six hundred ninety billion, eight hundred seventy-two million, thirty-one thousand, three hundred sixty".