40699707642 has 48 divisors (see below), whose sum is σ = 97776375840. Its totient is φ = 12131056800.

The previous prime is 40699707623. The next prime is 40699707683. The reversal of 40699707642 is 24670799604.

It is a happy number.

40699707642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1672792 + ... + 1696947.

It is an arithmetic number, because the mean of its divisors is an integer number (2037007830).

Almost surely, 2^40699707642 is an apocalyptic number.

40699707642 is an abundant number, since it is smaller than the sum of its proper divisors (57076668198).

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

40699707642 is a wasteful number, since it uses less digits than its factorization.

40699707642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369819 (or 3369816 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 40699707642 in words is "forty billion, six hundred ninety-nine million, seven hundred seven thousand, six hundred forty-two".