40620899487 has 16 divisors (see below), whose sum is σ = 61918833152. Its totient is φ = 23204322720.

The previous prime is 40620899471. The next prime is 40620899491. The reversal of 40620899487 is 78499802604.

It is not a de Polignac number, because 40620899487 - 2⁴ = 40620899471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620899447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251683 + ... + 380244.

It is an arithmetic number, because the mean of its divisors is an integer number (3869927072).

Almost surely, 2^40620899487 is an apocalyptic number.

40620899487 is a deficient number, since it is larger than the sum of its proper divisors (21297933665).

40620899487 is a wasteful number, since it uses less digits than its factorization.

40620899487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634998.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 40620899487 in words is "forty billion, six hundred twenty million, eight hundred ninety-nine thousand, four hundred eighty-seven".