40156593630 has 16 divisors (see below), whose sum is σ = 96375824784. Its totient is φ = 10708424960.

The previous prime is 40156593601. The next prime is 40156593637. The reversal of 40156593630 is 3639565104.

It is a super-2 number, since 2×40156593630² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) 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 not an unprimeable number, because it can be changed into a prime (40156593637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669276531 + ... + 669276590.

It is an arithmetic number, because the mean of its divisors is an integer number (6023489049).

Almost surely, 2^40156593630 is an apocalyptic number.

40156593630 is an abundant number, since it is smaller than the sum of its proper divisors (56219231154).

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

40156593630 is a wasteful number, since it uses less digits than its factorization.

40156593630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338553131.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 40156593630 in words is "forty billion, one hundred fifty-six million, five hundred ninety-three thousand, six hundred thirty".