40389951483 has 64 divisors (see below), whose sum is σ = 72529413120. Its totient is φ = 21685833216.

The previous prime is 40389951479. The next prime is 40389951493. The reversal of 40389951483 is 38415998304.

40389951483 is a `hidden beast` number, since 4 + 0 + 38 + 99 + 514 + 8 + 3 = 666.

It is not a de Polignac number, because 40389951483 - 2² = 40389951479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40389951493) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1959316 + ... + 1979822.

It is an arithmetic number, because the mean of its divisors is an integer number (1133272080).

Almost surely, 2^40389951483 is an apocalyptic number.

40389951483 is a deficient number, since it is larger than the sum of its proper divisors (32139461637).

40389951483 is a wasteful number, since it uses less digits than its factorization.

40389951483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153 (or 21147 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 40389951483 in words is "forty billion, three hundred eighty-nine million, nine hundred fifty-one thousand, four hundred eighty-three".