453742494 has 16 divisors (see below), whose sum is σ = 907873920. Its totient is φ = 151182680.

The previous prime is 453742483. The next prime is 453742511. The reversal of 453742494 is 494247354.

It is a super-2 number, since 2×453742494² = 411764501722680072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 30125.

It is an arithmetic number, because the mean of its divisors is an integer number (56742120).

Almost surely, 2^453742494 is an apocalyptic number.

453742494 is an abundant number, since it is smaller than the sum of its proper divisors (454131426).

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

453742494 is a wasteful number, since it uses less digits than its factorization.

453742494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32415.

The product of its digits is 483840, while the sum is 42.

The square root of 453742494 is about 21301.2322178789. The cubic root of 453742494 is about 768.4279468511.

The spelling of 453742494 in words is "four hundred fifty-three million, seven hundred forty-two thousand, four hundred ninety-four".