454253556240 has 120 divisors (see below), whose sum is σ = 1664219875968. Its totient is φ = 110122072320.

The previous prime is 454253556227. The next prime is 454253556307. The reversal of 454253556240 is 42655352454.

454253556240 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 53 + 556 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 28669704 + ... + 28685543.

Almost surely, 2^454253556240 is an apocalyptic number.

454253556240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454253556240 is an abundant number, since it is smaller than the sum of its proper divisors (1209966319728).

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

454253556240 is a wasteful number, since it uses less digits than its factorization.

454253556240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355277 (or 57355268 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 454253556240 in words is "four hundred fifty-four billion, two hundred fifty-three million, five hundred fifty-six thousand, two hundred forty".