62400539601 has 9 divisors (see below), whose sum is σ = 90135195241. Its totient is φ = 41599860132.

The previous prime is 62400539599. The next prime is 62400539611. The reversal of 62400539601 is 10693500426.

It is a happy number.

The square root of 62400539601 is 249801.

It is a perfect power (a square), and thus also a powerful number.

62400539601 is a `hidden beast` number, since 6 + 2 + 40 + 0 + 5 + 3 + 9 + 601 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 62400539601 - 2¹ = 62400539599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62400539611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 707770 + ... + 791036.

Almost surely, 2^62400539601 is an apocalyptic number.

62400539601 is the 249801-st square number.

62400539601 is the 124901-st centered octagonal number.

It is an amenable number.

62400539601 is a deficient number, since it is larger than the sum of its proper divisors (27734655640).

62400539601 is an frugal number, since it uses more digits than its factorization.

62400539601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166540 (or 83270 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Multiplying 62400539601 by its sum of digits (36), we get a square (2246419425636 = 1498806²).

The spelling of 62400539601 in words is "sixty-two billion, four hundred million, five hundred thirty-nine thousand, six hundred one".