40153787895 has 32 divisors (see below), whose sum is σ = 72196250112. Its totient is φ = 18908537472.

The previous prime is 40153787879. The next prime is 40153787909. The reversal of 40153787895 is 59878735104.

It is a happy number.

It is not a de Polignac number, because 40153787895 - 2⁴ = 40153787879 is a prime.

It is a super-2 number, since 2×40153787895² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4471969 + ... + 4480938.

It is an arithmetic number, because the mean of its divisors is an integer number (2256132816).

Almost surely, 2^40153787895 is an apocalyptic number.

40153787895 is a deficient number, since it is larger than the sum of its proper divisors (32042462217).

40153787895 is a wasteful number, since it uses less digits than its factorization.

40153787895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952951.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 40153787895 in words is "forty billion, one hundred fifty-three million, seven hundred eighty-seven thousand, eight hundred ninety-five".