40801456 has 20 divisors (see below), whose sum is σ = 81603904. Its totient is φ = 19742400.

The previous prime is 40801451. The next prime is 40801457. The reversal of 40801456 is 65410804.

40801456 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40801451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40635 + ... + 41626.

Almost surely, 2^40801456 is an apocalyptic number.

It is an amenable number.

40801456 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40801456 is a wasteful number, since it uses less digits than its factorization.

40801456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82300 (or 82294 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40801456 is about 6387.6017408727. The cubic root of 40801456 is about 344.2642192170.

The spelling of 40801456 in words is "forty million, eight hundred one thousand, four hundred fifty-six".