40758372 has 18 divisors (see below), whose sum is σ = 103028198. Its totient is φ = 13586112.

The previous prime is 40758329. The next prime is 40758383. The reversal of 40758372 is 27385704.

40758372 is a `hidden beast` number, since 4 + 0 + 7 + 583 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40755456 + 2916 = 6384^2 + 54^2 .

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

It is a super-2 number, since 2×40758372² = 3322489776180768, which contains 22 as substring.

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: 1132177 = 40758372 / (4 + 0 + 7 + 5 + 8 + 3 + 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, 566053 + ... + 566124.

Almost surely, 2^40758372 is an apocalyptic number.

It is an amenable number.

40758372 is an abundant number, since it is smaller than the sum of its proper divisors (62269826).

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

40758372 is a wasteful number, since it uses less digits than its factorization.

40758372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132187 (or 1132182 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 40758372 is about 6384.2283793737. The cubic root of 40758372 is about 344.1430021101.

The spelling of 40758372 in words is "forty million, seven hundred fifty-eight thousand, three hundred seventy-two".