40101564 has 24 divisors (see below), whose sum is σ = 93985360. Its totient is φ = 13307904.

The previous prime is 40101541. The next prime is 40101587. The reversal of 40101564 is 46510104.

It is an interprime number because it is at equal distance from previous prime (40101541) and next prime (40101587).

It is a self number, because there is not a number n which added to its sum of digits gives 40101564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549 + ... + 10044.

Almost surely, 2^40101564 is an apocalyptic number.

It is an amenable number.

40101564 is an abundant number, since it is smaller than the sum of its proper divisors (53883796).

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

40101564 is a wasteful number, since it uses less digits than its factorization.

40101564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829 (or 14827 counting only the distinct ones).

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

The square root of 40101564 is about 6332.5795691803. The cubic root of 40101564 is about 342.2843980251.

Adding to 40101564 its reverse (46510104), we get a palindrome (86611668).

The spelling of 40101564 in words is "forty million, one hundred one thousand, five hundred sixty-four".