61942256124 has 60 divisors (see below), whose sum is σ = 168610631784. Its totient is φ = 17697779232.

The previous prime is 61942256119. The next prime is 61942256137. The reversal of 61942256124 is 42165224916.

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

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, 1046127 + ... + 1103750.

Almost surely, 2^61942256124 is an apocalyptic number.

It is an amenable number.

61942256124 is an abundant number, since it is smaller than the sum of its proper divisors (106668375660).

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

61942256124 is a wasteful number, since it uses less digits than its factorization.

61942256124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149912 (or 2149889 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 61942256124 in words is "sixty-one billion, nine hundred forty-two million, two hundred fifty-six thousand, one hundred twenty-four".