40155124 has 6 divisors (see below), whose sum is σ = 70271474. Its totient is φ = 20077560.

The previous prime is 40155097. The next prime is 40155127. The reversal of 40155124 is 42155104.

It can be written as a sum of positive squares in only one way, i.e., 39690000 + 465124 = 6300^2 + 682^2 .

It is a super-2 number, since 2×40155124² = 3224867966910752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40155095 and 40155104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40155127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019387 + ... + 5019394.

Almost surely, 2^40155124 is an apocalyptic number.

It is an amenable number.

40155124 is a deficient number, since it is larger than the sum of its proper divisors (30116350).

40155124 is a wasteful number, since it uses less digits than its factorization.

40155124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038785 (or 10038783 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40155124 is about 6336.8070824351. The cubic root of 40155124 is about 342.4367162457.

The spelling of 40155124 in words is "forty million, one hundred fifty-five thousand, one hundred twenty-four".