40256814188 has 6 divisors (see below), whose sum is σ = 70449424836. Its totient is φ = 20128407092.

The previous prime is 40256814173. The next prime is 40256814211. The reversal of 40256814188 is 88141865204.

It is a happy number.

It is a super-2 number, since 2×40256814188² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032101770 + ... + 5032101777.

It is an arithmetic number, because the mean of its divisors is an integer number (11741570806).

Almost surely, 2^40256814188 is an apocalyptic number.

It is an amenable number.

40256814188 is a deficient number, since it is larger than the sum of its proper divisors (30192610648).

40256814188 is a wasteful number, since it uses less digits than its factorization.

40256814188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10064203551 (or 10064203549 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 40256814188 in words is "forty billion, two hundred fifty-six million, eight hundred fourteen thousand, one hundred eighty-eight".