425942040 has 32 divisors (see below), whose sum is σ = 1277826480. Its totient is φ = 113584512.

The previous prime is 425942029. The next prime is 425942081. The reversal of 425942040 is 40249524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 425941989 and 425942007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774639 + ... + 1774878.

Almost surely, 2^425942040 is an apocalyptic number.

425942040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425942040 is an abundant number, since it is smaller than the sum of its proper divisors (851884440).

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

425942040 is a wasteful number, since it uses less digits than its factorization.

425942040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549531 (or 3549527 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 425942040 is about 20638.3633072005. The cubic root of 425942040 is about 752.4023942305.

The spelling of 425942040 in words is "four hundred twenty-five million, nine hundred forty-two thousand, forty".