455734840 has 32 divisors (see below), whose sum is σ = 1118622960. Its totient is φ = 165721600.

The previous prime is 455734819. The next prime is 455734841. The reversal of 455734840 is 48437554.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 455734793 and 455734802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455734841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517441 + ... + 518320.

Almost surely, 2^455734840 is an apocalyptic number.

455734840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455734840 is an abundant number, since it is smaller than the sum of its proper divisors (662888120).

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

455734840 is a wasteful number, since it uses less digits than its factorization.

455734840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035783 (or 1035779 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 455734840 is about 21347.9469738896. The cubic root of 455734840 is about 769.5510060183.

The spelling of 455734840 in words is "four hundred fifty-five million, seven hundred thirty-four thousand, eight hundred forty".