431002222040 has 64 divisors (see below), whose sum is σ = 1044616456800. Its totient is φ = 159098913792.

The previous prime is 431002222037. The next prime is 431002222051. The reversal of 431002222040 is 40222200134.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1986764 + ... + 2192996.

Almost surely, 2^431002222040 is an apocalyptic number.

431002222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431002222040 is an abundant number, since it is smaller than the sum of its proper divisors (613614234760).

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

431002222040 is a wasteful number, since it uses less digits than its factorization.

431002222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210276 (or 210272 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 431002222040 its reverse (40222200134), we get a palindrome (471224422174).

The spelling of 431002222040 in words is "four hundred thirty-one billion, two million, two hundred twenty-two thousand, forty".