401050423920 has 80 divisors (see below), whose sum is σ = 1260767020032. Its totient is φ = 105440482560.

The previous prime is 401050423897. The next prime is 401050423973. The reversal of 401050423920 is 29324050104.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11750872 + ... + 11784951.

Almost surely, 2^401050423920 is an apocalyptic number.

401050423920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401050423920 is an abundant number, since it is smaller than the sum of its proper divisors (859716596112).

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

401050423920 is a wasteful number, since it uses less digits than its factorization.

401050423920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23535910 (or 23535904 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

It can be divided in two parts, 401050 and 423920, that added together give a triangular number (824970 = T₁₂₈₄).

The spelling of 401050423920 in words is "four hundred one billion, fifty million, four hundred twenty-three thousand, nine hundred twenty".