39612972000 has 288 divisors, whose sum is σ = 150961618080. Its totient is φ = 9054259200.

The previous prime is 39612971953. The next prime is 39612972031. The reversal of 39612972000 is 27921693.

It is a self number, because there is not a number n which added to its sum of digits gives 39612972000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554316 + ... + 621684.

It is an arithmetic number, because the mean of its divisors is an integer number (524172285).

Almost surely, 2^39612972000 is an apocalyptic number.

39612972000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39612972000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75480809040).

39612972000 is an abundant number, since it is smaller than the sum of its proper divisors (111348646080).

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

39612972000 is a wasteful number, since it uses less digits than its factorization.

39612972000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67411 (or 67386 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 39612972000 in words is "thirty-nine billion, six hundred twelve million, nine hundred seventy-two thousand".