39970485738 has 48 divisors (see below), whose sum is σ = 91716895296. Its totient is φ = 12553992000.

The previous prime is 39970485721. The next prime is 39970485743. The reversal of 39970485738 is 83758407993.

39970485738 is a `hidden beast` number, since 39 + 97 + 0 + 485 + 7 + 38 = 666.

It is a super-2 number, since 2×39970485738² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692763 + ... + 748238.

It is an arithmetic number, because the mean of its divisors is an integer number (1910768652).

Almost surely, 2^39970485738 is an apocalyptic number.

39970485738 is an abundant number, since it is smaller than the sum of its proper divisors (51746409558).

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

39970485738 is a wasteful number, since it uses less digits than its factorization.

39970485738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441099 (or 1441096 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 39970485738 in words is "thirty-nine billion, nine hundred seventy million, four hundred eighty-five thousand, seven hundred thirty-eight".