39135650420 has 48 divisors (see below), whose sum is σ = 83350391040. Its totient is φ = 15432852864.

The previous prime is 39135650383. The next prime is 39135650441. The reversal of 39135650420 is 2405653193.

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, 1051367 + ... + 1087953.

It is an arithmetic number, because the mean of its divisors is an integer number (1736466480).

Almost surely, 2^39135650420 is an apocalyptic number.

It is an amenable number.

39135650420 is an abundant number, since it is smaller than the sum of its proper divisors (44214740620).

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

39135650420 is a wasteful number, since it uses less digits than its factorization.

39135650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37352 (or 37350 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 39135650420 in words is "thirty-nine billion, one hundred thirty-five million, six hundred fifty thousand, four hundred twenty".