40456401 has 8 divisors (see below), whose sum is σ = 54006624. Its totient is φ = 26938560.

The previous prime is 40456397. The next prime is 40456433. The reversal of 40456401 is 10465404.

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

It is not a de Polignac number, because 40456401 - 2² = 40456397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40456201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (6750828).

Almost surely, 2^40456401 is an apocalyptic number.

It is an amenable number.

40456401 is a deficient number, since it is larger than the sum of its proper divisors (13550223).

40456401 is a wasteful number, since it uses less digits than its factorization.

40456401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40456401 is about 6360.5346473390. The cubic root of 40456401 is about 343.2909979115.

The spelling of 40456401 in words is "forty million, four hundred fifty-six thousand, four hundred one".