40156292798 has 4 divisors (see below), whose sum is σ = 60234439200. Its totient is φ = 20078146398.

The previous prime is 40156292797. The next prime is 40156292809. The reversal of 40156292798 is 89729265104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40156292798² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156292797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10039073198 + ... + 10039073201.

It is an arithmetic number, because the mean of its divisors is an integer number (15058609800).

Almost surely, 2^40156292798 is an apocalyptic number.

40156292798 is a deficient number, since it is larger than the sum of its proper divisors (20078146402).

40156292798 is a wasteful number, since it uses less digits than its factorization.

40156292798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20078146401.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 40156292798 in words is "forty billion, one hundred fifty-six million, two hundred ninety-two thousand, seven hundred ninety-eight".