405455454 has 24 divisors (see below), whose sum is σ = 916682832. Its totient is φ = 129275520.

The previous prime is 405455443. The next prime is 405455461. The reversal of 405455454 is 454554504.

405455454 is a `hidden beast` number, since 4 + 0 + 54 + 554 + 54 = 666.

It is a super-2 number, since 2×405455454² = 328788250356692232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489267 + ... + 490094.

It is an arithmetic number, because the mean of its divisors is an integer number (38195118).

Almost surely, 2^405455454 is an apocalyptic number.

405455454 is an abundant number, since it is smaller than the sum of its proper divisors (511227378).

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

405455454 is a wasteful number, since it uses less digits than its factorization.

405455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979392 (or 979389 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 405455454 is about 20135.9244635055. The cubic root of 405455454 is about 740.1408631282.

The spelling of 405455454 in words is "four hundred five million, four hundred fifty-five thousand, four hundred fifty-four".