40100021234431 has 8 divisors (see below), whose sum is σ = 40670806659840. Its totient is φ = 39531322776792.

The previous prime is 40100021234423. The next prime is 40100021234443. The reversal of 40100021234431 is 13443212000104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40100021234431 - 2³ = 40100021234423 is a prime.

It is a super-2 number, since 2×40100021234431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40100021234396 and 40100021234405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100021234131) 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, 521703241 + ... + 521780098.

It is an arithmetic number, because the mean of its divisors is an integer number (5083850832480).

Almost surely, 2^{40100021234431} is an apocalyptic number.

40100021234431 is a deficient number, since it is larger than the sum of its proper divisors (570785425409).

40100021234431 is a wasteful number, since it uses less digits than its factorization.

40100021234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043483885.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40100021234431 its reverse (13443212000104), we get a palindrome (53543233234535).

The spelling of 40100021234431 in words is "forty trillion, one hundred billion, twenty-one million, two hundred thirty-four thousand, four hundred thirty-one".