454311640 has 32 divisors (see below), whose sum is σ = 1066646880. Its totient is φ = 173823232.

The previous prime is 454311607. The next prime is 454311659. The reversal of 454311640 is 46113454.

454311640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 454311599 and 454311608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245989 + ... + 247828.

It is an arithmetic number, because the mean of its divisors is an integer number (33332715).

Almost surely, 2^454311640 is an apocalyptic number.

454311640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454311640 is an abundant number, since it is smaller than the sum of its proper divisors (612335240).

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

454311640 is a wasteful number, since it uses less digits than its factorization.

454311640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493851 (or 493847 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 454311640 is about 21314.5874930762. The cubic root of 454311640 is about 768.7491018122.

The spelling of 454311640 in words is "four hundred fifty-four million, three hundred eleven thousand, six hundred forty".