406621126025500 has 48 divisors (see below), whose sum is σ = 888064167358368. Its totient is φ = 162647785920000.

The previous prime is 406621126025473. The next prime is 406621126025531. The reversal of 406621126025500 is 5520621126604.

It is a happy number.

It is a congruent number.

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, 131512315 + ... + 134568685.

It is an arithmetic number, because the mean of its divisors is an integer number (18501336819966).

Almost surely, 2^{406621126025500} is an apocalyptic number.

It is an amenable number.

406621126025500 is an abundant number, since it is smaller than the sum of its proper divisors (481443041332868).

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

406621126025500 is a wasteful number, since it uses less digits than its factorization.

406621126025500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322471 (or 3322459 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 406621126025500 in words is "four hundred six trillion, six hundred twenty-one billion, one hundred twenty-six million, twenty-five thousand, five hundred".