455785698438 has 64 divisors (see below), whose sum is σ = 1197466560000. Its totient is φ = 125733982752.

The previous prime is 455785698437. The next prime is 455785698461. The reversal of 455785698438 is 834896587554.

455785698438 is a `hidden beast` number, since 4 + 5 + 57 + 8 + 56 + 98 + 438 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455785698437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20778388 + ... + 20800311.

It is an arithmetic number, because the mean of its divisors is an integer number (18710415000).

Almost surely, 2^455785698438 is an apocalyptic number.

455785698438 is an abundant number, since it is smaller than the sum of its proper divisors (741680861562).

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

455785698438 is a wasteful number, since it uses less digits than its factorization.

455785698438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41578746 (or 41578740 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 72.

The spelling of 455785698438 in words is "four hundred fifty-five billion, seven hundred eighty-five million, six hundred ninety-eight thousand, four hundred thirty-eight".