40100872 has 16 divisors (see below), whose sum is σ = 85930560. Its totient is φ = 17186064.

The previous prime is 40100861. The next prime is 40100899. The reversal of 40100872 is 27800104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357988 + ... + 358099.

It is an arithmetic number, because the mean of its divisors is an integer number (5370660).

Almost surely, 2^40100872 is an apocalyptic number.

It is an amenable number.

40100872 is an abundant number, since it is smaller than the sum of its proper divisors (45829688).

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

40100872 is a wasteful number, since it uses less digits than its factorization.

40100872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716100 (or 716096 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 40100872 is about 6332.5249308629. The cubic root of 40100872 is about 342.2824291728.

Adding to 40100872 its reverse (27800104), we get a palindrome (67900976).

The spelling of 40100872 in words is "forty million, one hundred thousand, eight hundred seventy-two".