40731193424 has 10 divisors (see below), whose sum is σ = 78916687290. Its totient is φ = 20365596704.

The previous prime is 40731193411. The next prime is 40731193457. The reversal of 40731193424 is 42439113704.

It can be written as a sum of positive squares in only one way, i.e., 39414955024 + 1316238400 = 198532^2 + 36280^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272849779 + ... + 1272849810.

It is an arithmetic number, because the mean of its divisors is an integer number (7891668729).

Almost surely, 2^40731193424 is an apocalyptic number.

It is an amenable number.

40731193424 is a deficient number, since it is larger than the sum of its proper divisors (38185493866).

40731193424 is a wasteful number, since it uses less digits than its factorization.

40731193424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545699597 (or 2545699591 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 40731193424 in words is "forty billion, seven hundred thirty-one million, one hundred ninety-three thousand, four hundred twenty-four".