40038401 has 8 divisors (see below), whose sum is σ = 43459584. Its totient is φ = 36666000.

The previous prime is 40038379. The next prime is 40038413. The reversal of 40038401 is 10483004.

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 40038401 - 2⁶ = 40038337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40038421) 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, 10475 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (5432448).

Almost surely, 2^40038401 is an apocalyptic number.

It is an amenable number.

40038401 is a deficient number, since it is larger than the sum of its proper divisors (3421183).

40038401 is a wasteful number, since it uses less digits than its factorization.

40038401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40038401 is about 6327.5904576703. The cubic root of 40038401 is about 342.1045956424.

The spelling of 40038401 in words is "forty million, thirty-eight thousand, four hundred one".