425894339240 has 32 divisors (see below), whose sum is σ = 960831364680. Its totient is φ = 169901006592.

The previous prime is 425894339177. The next prime is 425894339249. The reversal of 425894339240 is 42933498524.

It can be written as a sum of positive squares in 4 ways, for example, as 402851706436 + 23042632804 = 634706^2 + 151798^2 .

It is not an unprimeable number, because it can be changed into a prime (425894339249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14257679 + ... + 14287518.

Almost surely, 2^425894339240 is an apocalyptic number.

425894339240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425894339240 is an abundant number, since it is smaller than the sum of its proper divisors (534937025440).

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

425894339240 is a wasteful number, since it uses less digits than its factorization.

425894339240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28545581 (or 28545577 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 425894339240 in words is "four hundred twenty-five billion, eight hundred ninety-four million, three hundred thirty-nine thousand, two hundred forty".