501387260000 has 120 divisors (see below), whose sum is σ = 1345623718824. Its totient is φ = 182322560000.

The previous prime is 501387259957. The next prime is 501387260051. The reversal of 501387260000 is 62783105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 919517 + ... + 1359516.

Almost surely, 2^501387260000 is an apocalyptic number.

501387260000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

501387260000 is an abundant number, since it is smaller than the sum of its proper divisors (844236458824).

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

501387260000 is a wasteful number, since it uses less digits than its factorization.

501387260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279074 (or 2279051 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 501387260000 in words is "five hundred one billion, three hundred eighty-seven million, two hundred sixty thousand".