425416438 has 16 divisors (see below), whose sum is σ = 641583936. Its totient is φ = 211559040.

The previous prime is 425416391. The next prime is 425416477. The reversal of 425416438 is 834614524.

It is a junction number, because it is equal to n+sod(n) for n = 425416397 and 425416406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400428 + ... + 401488.

It is an arithmetic number, because the mean of its divisors is an integer number (40098996).

Almost surely, 2^425416438 is an apocalyptic number.

425416438 is a deficient number, since it is larger than the sum of its proper divisors (216167498).

425416438 is a wasteful number, since it uses less digits than its factorization.

425416438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 92160, while the sum is 37.

The square root of 425416438 is about 20625.6257602042. The cubic root of 425416438 is about 752.0927848298.

The spelling of 425416438 in words is "four hundred twenty-five million, four hundred sixteen thousand, four hundred thirty-eight".