40431300234402 has 32 divisors (see below), whose sum is σ = 100815709676544. Its totient is φ = 10501636424400.

The previous prime is 40431300234349. The next prime is 40431300234461. The reversal of 40431300234402 is 20443200313404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40431300234402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43756817974 + ... + 43756818897.

It is an arithmetic number, because the mean of its divisors is an integer number (3150490927392).

Almost surely, 2^{40431300234402} is an apocalyptic number.

40431300234402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40431300234402 is an abundant number, since it is smaller than the sum of its proper divisors (60384409442142).

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

40431300234402 is a wasteful number, since it uses less digits than its factorization.

40431300234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87513636894.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 40431300234402 its reverse (20443200313404), we get a palindrome (60874500547806).

The spelling of 40431300234402 in words is "forty trillion, four hundred thirty-one billion, three hundred million, two hundred thirty-four thousand, four hundred two".