402605705278412 has 24 divisors (see below), whose sum is σ = 728864987007360. Its totient is φ = 194358753388800.

The previous prime is 402605705278411. The next prime is 402605705278463. The reversal of 402605705278412 is 214872507506204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402605705278411) 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, 14755964 + ... + 31983587.

It is an arithmetic number, because the mean of its divisors is an integer number (30369374458640).

Almost surely, 2^{402605705278412} is an apocalyptic number.

It is an amenable number.

402605705278412 is a deficient number, since it is larger than the sum of its proper divisors (326259281728948).

402605705278412 is a wasteful number, since it uses less digits than its factorization.

402605705278412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46813841 (or 46813839 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 53.

The spelling of 402605705278412 in words is "four hundred two trillion, six hundred five billion, seven hundred five million, two hundred seventy-eight thousand, four hundred twelve".