40521861040476 has 24 divisors (see below), whose sum is σ = 94576432970880. Its totient is φ = 13503655031152.

The previous prime is 40521861040471. The next prime is 40521861040487. The reversal of 40521861040476 is 67404016812504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40521861040471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453951306 + ... + 454040561.

It is an arithmetic number, because the mean of its divisors is an integer number (3940684707120).

Almost surely, 2^{40521861040476} is an apocalyptic number.

It is an amenable number.

40521861040476 is an abundant number, since it is smaller than the sum of its proper divisors (54054571930404).

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

40521861040476 is a wasteful number, since it uses less digits than its factorization.

40521861040476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907995593 (or 907995591 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 40521861040476 in words is "forty trillion, five hundred twenty-one billion, eight hundred sixty-one million, forty thousand, four hundred seventy-six".