40724579534 has 48 divisors (see below), whose sum is σ = 69140206800. Its totient is φ = 17906353920.

The previous prime is 40724579509. The next prime is 40724579557. The reversal of 40724579534 is 43597542704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926057 + ... + 969035.

It is an arithmetic number, because the mean of its divisors is an integer number (1440420975).

Almost surely, 2^40724579534 is an apocalyptic number.

40724579534 is a deficient number, since it is larger than the sum of its proper divisors (28415627266).

40724579534 is a wasteful number, since it uses less digits than its factorization.

40724579534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43089 (or 43058 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 40724579534 in words is "forty billion, seven hundred twenty-four million, five hundred seventy-nine thousand, five hundred thirty-four".