40621992415 has 8 divisors (see below), whose sum is σ = 48792341088. Its totient is φ = 32466960480.

The previous prime is 40621992373. The next prime is 40621992451. The reversal of 40621992415 is 51429912604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40621992415 - 2⁷ = 40621992287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3823347 + ... + 3833956.

It is an arithmetic number, because the mean of its divisors is an integer number (6099042636).

Almost surely, 2^40621992415 is an apocalyptic number.

40621992415 is a deficient number, since it is larger than the sum of its proper divisors (8170348673).

40621992415 is a wasteful number, since it uses less digits than its factorization.

40621992415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658369.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 40621992415 in words is "forty billion, six hundred twenty-one million, nine hundred ninety-two thousand, four hundred fifteen".