431442254105540 has 48 divisors (see below), whose sum is σ = 921389050834560. Its totient is φ = 169651151685120.

The previous prime is 431442254105521. The next prime is 431442254105561. The reversal of 431442254105540 is 45501452244134.

It is a super-2 number, since 2×431442254105540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431442254105491 and 431442254105500.

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, 342977564 + ... + 344233196.

It is an arithmetic number, because the mean of its divisors is an integer number (19195605225720).

Almost surely, 2^{431442254105540} is an apocalyptic number.

It is an amenable number.

431442254105540 is an abundant number, since it is smaller than the sum of its proper divisors (489946796729020).

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

431442254105540 is a wasteful number, since it uses less digits than its factorization.

431442254105540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546892 (or 1546890 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 431442254105540 in words is "four hundred thirty-one trillion, four hundred forty-two billion, two hundred fifty-four million, one hundred five thousand, five hundred forty".