40100538 has 8 divisors (see below), whose sum is σ = 80201088. Its totient is φ = 13366844.

The previous prime is 40100521. The next prime is 40100539. The reversal of 40100538 is 83500104.

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

40100538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40100539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341706 + ... + 3341717.

It is an arithmetic number, because the mean of its divisors is an integer number (10025136).

Almost surely, 2^40100538 is an apocalyptic number.

40100538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40100538 is a wasteful number, since it uses less digits than its factorization.

40100538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683428.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40100538 is about 6332.4985590208. The cubic root of 40100538 is about 342.2814788805.

The spelling of 40100538 in words is "forty million, one hundred thousand, five hundred thirty-eight".