39497842080 has 144 divisors (see below), whose sum is σ = 139778612064. Its totient is φ = 10532747520.

The previous prime is 39497842073. The next prime is 39497842099. The reversal of 39497842080 is 8024879493.

39497842080 is a `hidden beast` number, since 39 + 49 + 78 + 420 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 469066 + ... + 546825.

It is an arithmetic number, because the mean of its divisors is an integer number (970684806).

Almost surely, 2^39497842080 is an apocalyptic number.

39497842080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39497842080 is an abundant number, since it is smaller than the sum of its proper divisors (100280769984).

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

39497842080 is a wasteful number, since it uses less digits than its factorization.

39497842080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015921 (or 1015901 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 39497842080 in words is "thirty-nine billion, four hundred ninety-seven million, eight hundred forty-two thousand, eighty".