402554115 has 24 divisors (see below), whose sum is σ = 701282400. Its totient is φ = 213611904.

The previous prime is 402554111. The next prime is 402554129. The reversal of 402554115 is 511455204.

It is not a de Polignac number, because 402554115 - 2² = 402554111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402554111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13522 + ... + 31431.

It is an arithmetic number, because the mean of its divisors is an integer number (29220100).

Almost surely, 2^402554115 is an apocalyptic number.

402554115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

402554115 is a deficient number, since it is larger than the sum of its proper divisors (298728285).

402554115 is a wasteful number, since it uses less digits than its factorization.

402554115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45163 (or 45160 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 402554115 is about 20063.7512693913. The cubic root of 402554115 is about 738.3712136494.

The spelling of 402554115 in words is "four hundred two million, five hundred fifty-four thousand, one hundred fifteen".