40540326752 has 24 divisors (see below), whose sum is σ = 84014494200. Its totient is φ = 19203312384.

The previous prime is 40540326709. The next prime is 40540326767. The reversal of 40540326752 is 25762304504.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 33338477 + ... + 33339692.

It is an arithmetic number, because the mean of its divisors is an integer number (3500603925).

Almost surely, 2^40540326752 is an apocalyptic number.

It is an amenable number.

40540326752 is an abundant number, since it is smaller than the sum of its proper divisors (43474167448).

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

40540326752 is a wasteful number, since it uses less digits than its factorization.

40540326752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66678198 (or 66678190 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 40540326752 in words is "forty billion, five hundred forty million, three hundred twenty-six thousand, seven hundred fifty-two".