40740816 has 40 divisors (see below), whose sum is σ = 105501184. Its totient is φ = 13547520.

The previous prime is 40740803. The next prime is 40740827. The reversal of 40740816 is 61804704.

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, 26961 + ... + 28431.

Almost surely, 2^40740816 is an apocalyptic number.

It is an amenable number.

40740816 is an abundant number, since it is smaller than the sum of its proper divisors (64760368).

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

40740816 is a wasteful number, since it uses less digits than its factorization.

40740816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40740816 is about 6382.8532804695. The cubic root of 40740816 is about 344.0935836968.

The spelling of 40740816 in words is "forty million, seven hundred forty thousand, eight hundred sixteen".