461253870042 has 32 divisors (see below), whose sum is σ = 1054557273600. Its totient is φ = 131753980848.

The previous prime is 461253869963. The next prime is 461253870061. The reversal of 461253870042 is 240078352164.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 461253869976 and 461253870003.

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, 1197492 + ... + 1535087.

It is an arithmetic number, because the mean of its divisors is an integer number (32954914800).

Almost surely, 2^461253870042 is an apocalyptic number.

461253870042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

461253870042 is an abundant number, since it is smaller than the sum of its proper divisors (593303403558).

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

461253870042 is a wasteful number, since it uses less digits than its factorization.

461253870042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736610.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 461253870042 in words is "four hundred sixty-one billion, two hundred fifty-three million, eight hundred seventy thousand, forty-two".