452404551653640 has 160 divisors (see below), whose sum is σ = 1521350345592000. Its totient is φ = 120580251371136.

The previous prime is 452404551653603. The next prime is 452404551653707. The reversal of 452404551653640 is 46356155404254.

452404551653640 is a `hidden beast` number, since 4 + 5 + 2 + 4 + 0 + 4 + 55 + 16 + 536 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28866220 + ... + 41690139.

It is an arithmetic number, because the mean of its divisors is an integer number (9508439659950).

Almost surely, 2^{452404551653640} is an apocalyptic number.

452404551653640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452404551653640 is an abundant number, since it is smaller than the sum of its proper divisors (1068945793938360).

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

452404551653640 is a wasteful number, since it uses less digits than its factorization.

452404551653640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70558361 (or 70558348 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 54.

The spelling of 452404551653640 in words is "four hundred fifty-two trillion, four hundred four billion, five hundred fifty-one million, six hundred fifty-three thousand, six hundred forty".