41139972 has 18 divisors (see below), whose sum is σ = 103992798. Its totient is φ = 13713312.

The previous prime is 41139941. The next prime is 41139991. The reversal of 41139972 is 27993114.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 576 = 6414^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1142777 = 41139972 / (4 + 1 + 1 + 3 + 9 + 9 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571353 + ... + 571424.

Almost surely, 2^41139972 is an apocalyptic number.

It is an amenable number.

41139972 is an abundant number, since it is smaller than the sum of its proper divisors (62852826).

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

41139972 is a wasteful number, since it uses less digits than its factorization.

41139972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142787 (or 1142782 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 41139972 is about 6414.0449016202. The cubic root of 41139972 is about 345.2136798518.

The spelling of 41139972 in words is "forty-one million, one hundred thirty-nine thousand, nine hundred seventy-two".