40357600785 has 40 divisors (see below), whose sum is σ = 75490176960. Its totient is φ = 20588220576.

The previous prime is 40357600763. The next prime is 40357600799. The reversal of 40357600785 is 58700675304.

40357600785 is a `hidden beast` number, since 4 + 0 + 3 + 576 + 0 + 0 + 78 + 5 = 666.

It is not a de Polignac number, because 40357600785 - 2⁵ = 40357600753 is a prime.

It is a super-2 number, since 2×40357600785² (a number of 22 digits) contains 22 as substring.

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 40357600785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2156955 + ... + 2175584.

It is an arithmetic number, because the mean of its divisors is an integer number (1887254424).

Almost surely, 2^40357600785 is an apocalyptic number.

40357600785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40357600785 is a deficient number, since it is larger than the sum of its proper divisors (35132576175).

40357600785 is a wasteful number, since it uses less digits than its factorization.

40357600785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332579 (or 4332570 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 40357600785 in words is "forty billion, three hundred fifty-seven million, six hundred thousand, seven hundred eighty-five".