40807490445 has 128 divisors (see below), whose sum is σ = 81633484800. Its totient is φ = 19239897600.

The previous prime is 40807490377. The next prime is 40807490461. The reversal of 40807490445 is 54409470804.

40807490445 is a `hidden beast` number, since 40 + 80 + 7 + 4 + 90 + 445 = 666.

It is not a de Polignac number, because 40807490445 - 2¹⁶ = 40807424909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40807490445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2410360 + ... + 2427230.

It is an arithmetic number, because the mean of its divisors is an integer number (637761600).

Almost surely, 2^40807490445 is an apocalyptic number.

40807490445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40807490445 is an abundant number, since it is smaller than the sum of its proper divisors (40825994355).

40807490445 is a wasteful number, since it uses less digits than its factorization.

40807490445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16968 (or 16962 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40807490445 in words is "forty billion, eight hundred seven million, four hundred ninety thousand, four hundred forty-five".