425927040 has 512 divisors, whose sum is σ = 1757859840. Its totient is φ = 85155840.

The previous prime is 425927039. The next prime is 425927057. The reversal of 425927040 is 40729524.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 425926992 and 425927010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6357087 + ... + 6357153.

It is an arithmetic number, because the mean of its divisors is an integer number (3433320).

Almost surely, 2^425927040 is an apocalyptic number.

425927040 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 425927040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878929920).

425927040 is an abundant number, since it is smaller than the sum of its proper divisors (1331932800).

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

425927040 is a wasteful number, since it uses less digits than its factorization.

425927040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 425927040 is about 20637.9999030914. Note that the first 4 decimals coincide. The cubic root of 425927040 is about 752.3935619111.

The spelling of 425927040 in words is "four hundred twenty-five million, nine hundred twenty-seven thousand, forty".