425416642 has 16 divisors (see below), whose sum is σ = 729925632. Its totient is φ = 182161440.

The previous prime is 425416633. The next prime is 425416643. The reversal of 425416642 is 246614524.

It is a junction number, because it is equal to n+sod(n) for n = 425416598 and 425416607.

It is not an unprimeable number, because it can be changed into a prime (425416643) 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, 3967 + ... + 29437.

It is an arithmetic number, because the mean of its divisors is an integer number (45620352).

Almost surely, 2^425416642 is an apocalyptic number.

425416642 is a deficient number, since it is larger than the sum of its proper divisors (304508990).

425416642 is a wasteful number, since it uses less digits than its factorization.

425416642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26673.

The product of its digits is 46080, while the sum is 34.

The square root of 425416642 is about 20625.6307055081. The cubic root of 425416642 is about 752.0929050469.

The spelling of 425416642 in words is "four hundred twenty-five million, four hundred sixteen thousand, six hundred forty-two".