40869744 has 40 divisors (see below), whose sum is σ = 106048272. Its totient is φ = 13562880.

The previous prime is 40869739. The next prime is 40869757. The reversal of 40869744 is 44796804.

It is a junction number, because it is equal to n+sod(n) for n = 40869696 and 40869705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 13334.

Almost surely, 2^40869744 is an apocalyptic number.

It is an amenable number.

40869744 is an abundant number, since it is smaller than the sum of its proper divisors (65178528).

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

40869744 is a wasteful number, since it uses less digits than its factorization.

40869744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 40869744 is about 6392.9448613296. The cubic root of 40869744 is about 344.4561732469.

The spelling of 40869744 in words is "forty million, eight hundred sixty-nine thousand, seven hundred forty-four".