408429140538 has 32 divisors (see below), whose sum is σ = 817673135616. Its totient is φ = 136007301168.

The previous prime is 408429140501. The next prime is 408429140551. The reversal of 408429140538 is 835041924804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43431345 + ... + 43440747.

It is an arithmetic number, because the mean of its divisors is an integer number (25552285488).

Almost surely, 2^408429140538 is an apocalyptic number.

408429140538 is an abundant number, since it is smaller than the sum of its proper divisors (409243995078).

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

408429140538 is a wasteful number, since it uses less digits than its factorization.

408429140538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 408429140538 in words is "four hundred eight billion, four hundred twenty-nine million, one hundred forty thousand, five hundred thirty-eight".