425694294720 has 560 divisors, whose sum is σ = 1604049258240. Its totient is φ = 106863888384.

The previous prime is 425694294709. The next prime is 425694294763. The reversal of 425694294720 is 27492496524.

425694294720 is a `hidden beast` number, since 4 + 2 + 569 + 4 + 2 + 9 + 4 + 72 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 80271589 + ... + 80276891.

Almost surely, 2^425694294720 is an apocalyptic number.

425694294720 is a gapful number since it is divisible by the number (40) 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 425694294720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802024629120).

425694294720 is an abundant number, since it is smaller than the sum of its proper divisors (1178354963520).

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

425694294720 is a wasteful number, since it uses less digits than its factorization.

425694294720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5495 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 425694294720 in words is "four hundred twenty-five billion, six hundred ninety-four million, two hundred ninety-four thousand, seven hundred twenty".