40090636447620 has 96 divisors (see below), whose sum is σ = 126408951115776. Its totient is φ = 9405427900800.

The previous prime is 40090636447619. The next prime is 40090636447751. The reversal of 40090636447620 is 2674463609004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979711614 + ... + 979752533.

It is an arithmetic number, because the mean of its divisors is an integer number (1316759907456).

Almost surely, 2^{40090636447620} is an apocalyptic number.

It is an amenable number.

40090636447620 is an abundant number, since it is smaller than the sum of its proper divisors (86318314668156).

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

40090636447620 is a wasteful number, since it uses less digits than its factorization.

40090636447620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959464201 (or 1959464199 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 51.

The spelling of 40090636447620 in words is "forty trillion, ninety billion, six hundred thirty-six million, four hundred forty-seven thousand, six hundred twenty".