40120201431 has 12 divisors (see below), whose sum is σ = 61001476120. Its totient is φ = 25339074480.

The previous prime is 40120201421. The next prime is 40120201439. The reversal of 40120201431 is 13410202104.

40120201431 is a `hidden beast` number, since 401 + 20 + 201 + 43 + 1 = 666.

It is not a de Polignac number, because 40120201431 - 2¹⁴ = 40120185047 is a prime.

It is a super-2 number, since 2×40120201431² (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 (40120201439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117310360 + ... + 117310701.

Almost surely, 2^40120201431 is an apocalyptic number.

40120201431 is a deficient number, since it is larger than the sum of its proper divisors (20881274689).

40120201431 is a wasteful number, since it uses less digits than its factorization.

40120201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234621086 (or 234621083 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40120201431 its reverse (13410202104), we get a palindrome (53530403535).

The spelling of 40120201431 in words is "forty billion, one hundred twenty million, two hundred one thousand, four hundred thirty-one".