454227624240 has 80 divisors (see below), whose sum is σ = 1516421463648. Its totient is φ = 111809875968.

The previous prime is 454227624233. The next prime is 454227624241. The reversal of 454227624240 is 42426722454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 454227624192 and 454227624201.

It is not an unprimeable number, because it can be changed into a prime (454227624241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72789769 + ... + 72796008.

Almost surely, 2^454227624240 is an apocalyptic number.

454227624240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454227624240 is an abundant number, since it is smaller than the sum of its proper divisors (1062193839408).

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

454227624240 is a wasteful number, since it uses less digits than its factorization.

454227624240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145585806 (or 145585800 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 42.

The spelling of 454227624240 in words is "four hundred fifty-four billion, two hundred twenty-seven million, six hundred twenty-four thousand, two hundred forty".