40101388 has 6 divisors (see below), whose sum is σ = 70177436. Its totient is φ = 20050692.

The previous prime is 40101379. The next prime is 40101389. The reversal of 40101388 is 88310104.

It is not an unprimeable number, because it can be changed into a prime (40101389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012670 + ... + 5012677.

Almost surely, 2^40101388 is an apocalyptic number.

It is an amenable number.

40101388 is a deficient number, since it is larger than the sum of its proper divisors (30076048).

40101388 is a wasteful number, since it uses less digits than its factorization.

40101388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025351 (or 10025349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 40101388 is about 6332.5656727743. The cubic root of 40101388 is about 342.2838972787.

The spelling of 40101388 in words is "forty million, one hundred one thousand, three hundred eighty-eight".