455359287640 has 32 divisors (see below), whose sum is σ = 1029922594560. Its totient is φ = 181190080000.

The previous prime is 455359287637. The next prime is 455359287641. The reversal of 455359287640 is 46782953554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455359287641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29793361 + ... + 29808640.

It is an arithmetic number, because the mean of its divisors is an integer number (32185081080).

Almost surely, 2^455359287640 is an apocalyptic number.

455359287640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455359287640 is an abundant number, since it is smaller than the sum of its proper divisors (574563306920).

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

455359287640 is a wasteful number, since it uses less digits than its factorization.

455359287640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59602203 (or 59602199 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 455359287640 in words is "four hundred fifty-five billion, three hundred fifty-nine million, two hundred eighty-seven thousand, six hundred forty".