40313572 has 48 divisors (see below), whose sum is σ = 81510912. Its totient is φ = 17297280.

The previous prime is 40313561. The next prime is 40313591. The reversal of 40313572 is 27531304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43797 + ... + 44707.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^40313572 is an apocalyptic number.

It is an amenable number.

40313572 is an abundant number, since it is smaller than the sum of its proper divisors (41197340).

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

40313572 is a wasteful number, since it uses less digits than its factorization.

40313572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40313572 is about 6349.2969689565. The cubic root of 40313572 is about 342.8865318392.

Adding to 40313572 its reverse (27531304), we get a palindrome (67844876).

The spelling of 40313572 in words is "forty million, three hundred thirteen thousand, five hundred seventy-two".