406344063540 has 96 divisors (see below), whose sum is σ = 1238943888000. Its totient is φ = 99115494912.

The previous prime is 406344063487. The next prime is 406344063553. The reversal of 406344063540 is 45360443604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6112495 + ... + 6178614.

It is an arithmetic number, because the mean of its divisors is an integer number (12905665500).

Almost surely, 2^406344063540 is an apocalyptic number.

It is an amenable number.

406344063540 is an abundant number, since it is smaller than the sum of its proper divisors (832599824460).

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

406344063540 is a wasteful number, since it uses less digits than its factorization.

406344063540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291169 (or 12291167 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 406344063540 in words is "four hundred six billion, three hundred forty-four million, sixty-three thousand, five hundred forty".