402671082974672 has 40 divisors (see below), whose sum is σ = 787705290108000. Its totient is φ = 199393439219072.

The previous prime is 402671082974653. The next prime is 402671082974689. The reversal of 402671082974672 is 276479280176204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402671082974599 and 402671082974608.

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, 30000047 + ... + 41295822.

It is an arithmetic number, because the mean of its divisors is an integer number (19692632252700).

Almost surely, 2^{402671082974672} is an apocalyptic number.

It is an amenable number.

402671082974672 is a deficient number, since it is larger than the sum of its proper divisors (385034207133328).

402671082974672 is a wasteful number, since it uses less digits than its factorization.

402671082974672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71299283 (or 71299277 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 65.

The spelling of 402671082974672 in words is "four hundred two trillion, six hundred seventy-one billion, eighty-two million, nine hundred seventy-four thousand, six hundred seventy-two".