453378157830 has 48 divisors (see below), whose sum is σ = 1269458845200. Its totient is φ = 111600777024.

The previous prime is 453378157829. The next prime is 453378157927. The reversal of 453378157830 is 38751873354.

It is a happy number.

453378157830 is a `hidden beast` number, since 4 + 5 + 3 + 37 + 8 + 1 + 578 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193750180 + ... + 193752519.

It is an arithmetic number, because the mean of its divisors is an integer number (26447059275).

Almost surely, 2^453378157830 is an apocalyptic number.

453378157830 is an abundant number, since it is smaller than the sum of its proper divisors (816080687370).

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

453378157830 is a wasteful number, since it uses less digits than its factorization.

453378157830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387502725 (or 387502722 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 453378157830 in words is "four hundred fifty-three billion, three hundred seventy-eight million, one hundred fifty-seven thousand, eight hundred thirty".