40858744 has 32 divisors (see below), whose sum is σ = 80294400. Its totient is φ = 19467360.

The previous prime is 40858733. The next prime is 40858747. The reversal of 40858744 is 44785804.

It is a super-2 number, since 2×40858744² = 3338873922515072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40858697 and 40858706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40858747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15387 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (2509200).

Almost surely, 2^40858744 is an apocalyptic number.

It is an amenable number.

40858744 is a deficient number, since it is larger than the sum of its proper divisors (39435656).

40858744 is a wasteful number, since it uses less digits than its factorization.

40858744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 40858744 is about 6392.0844800425. The cubic root of 40858744 is about 344.4252672716.

The spelling of 40858744 in words is "forty million, eight hundred fifty-eight thousand, seven hundred forty-four".