425024144644 has 12 divisors (see below), whose sum is σ = 811409730768. Its totient is φ = 193192793000.

The previous prime is 425024144621. The next prime is 425024144653. The reversal of 425024144644 is 446441420524.

It is a junction number, because it is equal to n+sod(n) for n = 425024144597 and 425024144606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829819782 + ... + 4829819869.

It is an arithmetic number, because the mean of its divisors is an integer number (67617477564).

Almost surely, 2^425024144644 is an apocalyptic number.

425024144644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

425024144644 is a deficient number, since it is larger than the sum of its proper divisors (386385586124).

425024144644 is a wasteful number, since it uses less digits than its factorization.

425024144644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659639666 (or 9659639664 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 40.

The spelling of 425024144644 in words is "four hundred twenty-five billion, twenty-four million, one hundred forty-four thousand, six hundred forty-four".