425731437040 has 160 divisors (see below), whose sum is σ = 1271214637056. Its totient is φ = 128878801920.

The previous prime is 425731437029. The next prime is 425731437073. The reversal of 425731437040 is 40734137524.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 425731436984 and 425731437002.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1103856 + ... + 1438735.

Almost surely, 2^425731437040 is an apocalyptic number.

425731437040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425731437040 is an abundant number, since it is smaller than the sum of its proper divisors (845483200016).

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

425731437040 is a wasteful number, since it uses less digits than its factorization.

425731437040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542647 (or 2542641 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 425731437040 in words is "four hundred twenty-five billion, seven hundred thirty-one million, four hundred thirty-seven thousand, forty".