40214221431 has 32 divisors (see below), whose sum is σ = 54549116928. Its totient is φ = 26349684480.

The previous prime is 40214221427. The next prime is 40214221433. The reversal of 40214221431 is 13412241204.

It is not a de Polignac number, because 40214221431 - 2² = 40214221427 is a prime.

It is a super-2 number, since 2×40214221431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214221433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19267870 + ... + 19269956.

It is an arithmetic number, because the mean of its divisors is an integer number (1704659904).

Almost surely, 2^40214221431 is an apocalyptic number.

40214221431 is a deficient number, since it is larger than the sum of its proper divisors (14334895497).

40214221431 is a wasteful number, since it uses less digits than its factorization.

40214221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 40214221431 its reverse (13412241204), we get a palindrome (53626462635).

The spelling of 40214221431 in words is "forty billion, two hundred fourteen million, two hundred twenty-one thousand, four hundred thirty-one".