40540326530 has 64 divisors (see below), whose sum is σ = 84559707648. Its totient is φ = 13830236160.

The previous prime is 40540326529. The next prime is 40540326557. The reversal of 40540326530 is 3562304504.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550679 + ... + 619941.

It is an arithmetic number, because the mean of its divisors is an integer number (1321245432).

Almost surely, 2^40540326530 is an apocalyptic number.

40540326530 is an abundant number, since it is smaller than the sum of its proper divisors (44019381118).

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

40540326530 is a wasteful number, since it uses less digits than its factorization.

40540326530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69611.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 40540326530 in words is "forty billion, five hundred forty million, three hundred twenty-six thousand, five hundred thirty".