40140656446326 has 64 divisors (see below), whose sum is σ = 89479110067200. Its totient is φ = 11930151799296.

The previous prime is 40140656446291. The next prime is 40140656446339. The reversal of 40140656446326 is 62364465604104.

It is a super-2 number, since 2×40140656446326² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 150718936 + ... + 150985028.

It is an arithmetic number, because the mean of its divisors is an integer number (1398111094800).

Almost surely, 2^{40140656446326} is an apocalyptic number.

40140656446326 is an abundant number, since it is smaller than the sum of its proper divisors (49338453620874).

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

40140656446326 is a wasteful number, since it uses less digits than its factorization.

40140656446326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343973.

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 40140656446326 in words is "forty trillion, one hundred forty billion, six hundred fifty-six million, four hundred forty-six thousand, three hundred twenty-six".