405942507260 has 24 divisors (see below), whose sum is σ = 852522191136. Its totient is φ = 162368826560.

The previous prime is 405942507253. The next prime is 405942507317. The reversal of 405942507260 is 62705249504.

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, 95672 + ... + 906111.

It is an arithmetic number, because the mean of its divisors is an integer number (35521757964).

Almost surely, 2^405942507260 is an apocalyptic number.

It is an amenable number.

405942507260 is an abundant number, since it is smaller than the sum of its proper divisors (446579683876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405942507260 is a wasteful number, since it uses less digits than its factorization.

405942507260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022053 (or 1022051 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 405942507260 in words is "four hundred five billion, nine hundred forty-two million, five hundred seven thousand, two hundred sixty".