401215510000 has 50 divisors (see below), whose sum is σ = 971382895472. Its totient is φ = 160486200000.

The previous prime is 401215509971. The next prime is 401215510013. The reversal of 401215510000 is 15512104.

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 401215510000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20050776 + ... + 20070775.

Almost surely, 2^401215510000 is an apocalyptic number.

401215510000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401215510000 is an abundant number, since it is smaller than the sum of its proper divisors (570167385472).

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

401215510000 is an equidigital number, since it uses as much as digits as its factorization.

401215510000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40121579 (or 40121558 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 401215510000 in words is "four hundred one billion, two hundred fifteen million, five hundred ten thousand".