40221431412 has 24 divisors (see below), whose sum is σ = 94242691200. Its totient is φ = 13351046016.

The previous prime is 40221431389. The next prime is 40221431431. The reversal of 40221431412 is 21413412204.

40221431412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7009237 + ... + 7014972.

It is an arithmetic number, because the mean of its divisors is an integer number (3926778800).

Almost surely, 2^40221431412 is an apocalyptic number.

It is an amenable number.

40221431412 is an abundant number, since it is smaller than the sum of its proper divisors (54021259788).

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

40221431412 is a wasteful number, since it uses less digits than its factorization.

40221431412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024455 (or 14024453 counting only the distinct ones).

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

Adding to 40221431412 its reverse (21413412204), we get a palindrome (61634843616).

The spelling of 40221431412 in words is "forty billion, two hundred twenty-one million, four hundred thirty-one thousand, four hundred twelve".