454039782 has 48 divisors (see below), whose sum is σ = 1058079600. Its totient is φ = 129511872.

The previous prime is 454039777. The next prime is 454039813. The reversal of 454039782 is 287930454.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 292344 + ... + 293892.

It is an arithmetic number, because the mean of its divisors is an integer number (22043325).

Almost surely, 2^454039782 is an apocalyptic number.

454039782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

454039782 is an abundant number, since it is smaller than the sum of its proper divisors (604039818).

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

454039782 is a wasteful number, since it uses less digits than its factorization.

454039782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 454039782 is about 21308.2092630986. The cubic root of 454039782 is about 768.5957325718.

The spelling of 454039782 in words is "four hundred fifty-four million, thirty-nine thousand, seven hundred eighty-two".