402455505 has 16 divisors (see below), whose sum is σ = 650183040. Its totient is φ = 212558208.

The previous prime is 402455479. The next prime is 402455531. The reversal of 402455505 is 505554204.

It is an interprime number because it is at equal distance from previous prime (402455479) and next prime (402455531).

It is not a de Polignac number, because 402455505 - 2¹³ = 402447313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128700 + ... + 131789.

It is an arithmetic number, because the mean of its divisors is an integer number (40636440).

Almost surely, 2^402455505 is an apocalyptic number.

It is an amenable number.

402455505 is a deficient number, since it is larger than the sum of its proper divisors (247727535).

402455505 is a wasteful number, since it uses less digits than its factorization.

402455505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260600.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 402455505 is about 20061.2937020522. The cubic root of 402455505 is about 738.3109180446.

The spelling of 402455505 in words is "four hundred two million, four hundred fifty-five thousand, five hundred five".