40385401 has 8 divisors (see below), whose sum is σ = 48161664. Its totient is φ = 33110880.

The previous prime is 40385381. The next prime is 40385413. The reversal of 40385401 is 10458304.

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

It is a cyclic number.

It is not a de Polignac number, because 40385401 - 2⁷ = 40385273 is a prime.

It is a super-2 number, since 2×40385401² = 3261961227861602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40385201) 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, 125260 + ... + 125581.

It is an arithmetic number, because the mean of its divisors is an integer number (6020208).

Almost surely, 2^40385401 is an apocalyptic number.

It is an amenable number.

40385401 is a deficient number, since it is larger than the sum of its proper divisors (7776263).

40385401 is a wasteful number, since it uses less digits than its factorization.

40385401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250871.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40385401 is about 6354.9509046097. The cubic root of 40385401 is about 343.0900578660.

The spelling of 40385401 in words is "forty million, three hundred eighty-five thousand, four hundred one".