40294630983 has 4 divisors (see below), whose sum is σ = 53726174648. Its totient is φ = 26863087320.

The previous prime is 40294630979. The next prime is 40294631009. The reversal of 40294630983 is 38903649204.

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

It is not a de Polignac number, because 40294630983 - 2² = 40294630979 is a prime.

It is a super-2 number, since 2×40294630983² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294634983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715771828 + ... + 6715771833.

It is an arithmetic number, because the mean of its divisors is an integer number (13431543662).

Almost surely, 2^40294630983 is an apocalyptic number.

40294630983 is a deficient number, since it is larger than the sum of its proper divisors (13431543665).

40294630983 is a wasteful number, since it uses less digits than its factorization.

40294630983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431543664.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 40294630983 in words is "forty billion, two hundred ninety-four million, six hundred thirty thousand, nine hundred eighty-three".