40139489304 has 64 divisors (see below), whose sum is σ = 111750537600. Its totient is φ = 13349595168.

The previous prime is 40139489261. The next prime is 40139489321. The reversal of 40139489304 is 40398493104.

It is a happy number.

40139489304 is a `hidden beast` number, since 4 + 0 + 139 + 489 + 30 + 4 = 666.

It is a super-2 number, since 2×40139489304² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40139489304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114054 + ... + 305429.

It is an arithmetic number, because the mean of its divisors is an integer number (1746102150).

Almost surely, 2^40139489304 is an apocalyptic number.

It is an amenable number.

40139489304 is an abundant number, since it is smaller than the sum of its proper divisors (71611048296).

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

40139489304 is a wasteful number, since it uses less digits than its factorization.

40139489304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419941 (or 419931 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 40139489304 in words is "forty billion, one hundred thirty-nine million, four hundred eighty-nine thousand, three hundred four".