40020051342100 has 36 divisors (see below), whose sum is σ = 87703348181148. Its totient is φ = 15849525280000.

The previous prime is 40020051342059. The next prime is 40020051342119. The reversal of 40020051342100 is 124315002004.

It can be written as a sum of positive squares in 6 ways, for example, as 278399748496 + 39741651593604 = 527636^2 + 6304098^2 .

It is a super-2 number, since 2×40020051342100² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981180561 + ... + 1981200760.

It is an arithmetic number, because the mean of its divisors is an integer number (2436204116143).

Almost surely, 2^{40020051342100} is an apocalyptic number.

It is an amenable number.

40020051342100 is an abundant number, since it is smaller than the sum of its proper divisors (47683296839048).

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

40020051342100 is a wasteful number, since it uses less digits than its factorization.

40020051342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962381436 (or 3962381429 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40020051342100 its reverse (124315002004), we get a palindrome (40144366344104).

The spelling of 40020051342100 in words is "forty trillion, twenty billion, fifty-one million, three hundred forty-two thousand, one hundred".