40455456 has 48 divisors (see below), whose sum is σ = 106523424. Its totient is φ = 13443584.

The previous prime is 40455451. The next prime is 40455473. The reversal of 40455456 is 65455404.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (40455451) 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, 58891 + ... + 59573.

It is an arithmetic number, because the mean of its divisors is an integer number (2219238).

Almost surely, 2^40455456 is an apocalyptic number.

It is an amenable number.

40455456 is an abundant number, since it is smaller than the sum of its proper divisors (66067968).

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

40455456 is a wasteful number, since it uses less digits than its factorization.

40455456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 40455456 is about 6360.4603606972. The cubic root of 40455456 is about 343.2883249721.

The spelling of 40455456 in words is "forty million, four hundred fifty-five thousand, four hundred fifty-six".