40780762794 has 32 divisors (see below), whose sum is σ = 90684074880. Its totient is φ = 13584564000.

The previous prime is 40780762723. The next prime is 40780762807. The reversal of 40780762794 is 49726708704.

40780762794 is a `hidden beast` number, since 4 + 0 + 7 + 8 + 0 + 7 + 627 + 9 + 4 = 666.

It is a super-2 number, since 2×40780762794² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40780762794.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168307 + ... + 331494.

It is an arithmetic number, because the mean of its divisors is an integer number (2833877340).

Almost surely, 2^40780762794 is an apocalyptic number.

40780762794 is an abundant number, since it is smaller than the sum of its proper divisors (49903312086).

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

40780762794 is a wasteful number, since it uses less digits than its factorization.

40780762794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501323 (or 501317 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 40780762794 in words is "forty billion, seven hundred eighty million, seven hundred sixty-two thousand, seven hundred ninety-four".