537642406140 has 96 divisors (see below), whose sum is σ = 1737490051584. Its totient is φ = 121672953600.

The previous prime is 537642406139. The next prime is 537642406177. The reversal of 537642406140 is 41604246735.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 537642406092 and 537642406101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6294714 + ... + 6379553.

It is an arithmetic number, because the mean of its divisors is an integer number (18098854704).

Almost surely, 2^537642406140 is an apocalyptic number.

It is an amenable number.

537642406140 is an abundant number, since it is smaller than the sum of its proper divisors (1199847645444).

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

537642406140 is a wasteful number, since it uses less digits than its factorization.

537642406140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674387 (or 12674385 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 537642406140 in words is "five hundred thirty-seven billion, six hundred forty-two million, four hundred six thousand, one hundred forty".