40456454 has 8 divisors (see below), whose sum is σ = 61516200. Its totient is φ = 19951056.

The previous prime is 40456433. The next prime is 40456483. The reversal of 40456454 is 45465404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40456454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138404 + ... + 138695.

It is an arithmetic number, because the mean of its divisors is an integer number (7689525).

Almost surely, 2^40456454 is an apocalyptic number.

40456454 is a deficient number, since it is larger than the sum of its proper divisors (21059746).

40456454 is a wasteful number, since it uses less digits than its factorization.

40456454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277174.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 40456454 is about 6360.5388136541. The cubic root of 40456454 is about 343.2911478211.

The spelling of 40456454 in words is "forty million, four hundred fifty-six thousand, four hundred fifty-four".