39925152 has 36 divisors (see below), whose sum is σ = 113537970. Its totient is φ = 13308288.

The previous prime is 39925139. The next prime is 39925159. The reversal of 39925152 is 25152993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32764176 + 7160976 = 5724^2 + 2676^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (39925159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69027 + ... + 69602.

Almost surely, 2^39925152 is an apocalyptic number.

39925152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39925152 is an abundant number, since it is smaller than the sum of its proper divisors (73612818).

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

39925152 is a wasteful number, since it uses less digits than its factorization.

39925152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138645 (or 138634 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 39925152 is about 6318.6352956948. The cubic root of 39925152 is about 341.7817423465.

The spelling of 39925152 in words is "thirty-nine million, nine hundred twenty-five thousand, one hundred fifty-two".