406553455 has 64 divisors (see below), whose sum is σ = 627056640. Its totient is φ = 245750400.

The previous prime is 406553443. The next prime is 406553467. The reversal of 406553455 is 554355604.

It is an interprime number because it is at equal distance from previous prime (406553443) and next prime (406553467).

It is not a de Polignac number, because 406553455 - 2⁵ = 406553423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2924776 + ... + 2924914.

It is an arithmetic number, because the mean of its divisors is an integer number (9797760).

Almost surely, 2^406553455 is an apocalyptic number.

406553455 is a deficient number, since it is larger than the sum of its proper divisors (220503185).

406553455 is a wasteful number, since it uses less digits than its factorization.

406553455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 406553455 is about 20163.1707575966. The cubic root of 406553455 is about 740.8083782301.

The spelling of 406553455 in words is "four hundred six million, five hundred fifty-three thousand, four hundred fifty-five".