402043005254 has 16 divisors (see below), whose sum is σ = 657916439040. Its totient is φ = 182739074760.

The previous prime is 402043005229. The next prime is 402043005257. The reversal of 402043005254 is 452500340204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402043005257) 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, 160787 + ... + 911009.

It is an arithmetic number, because the mean of its divisors is an integer number (41119777440).

Almost surely, 2^402043005254 is an apocalyptic number.

402043005254 is a deficient number, since it is larger than the sum of its proper divisors (255873433786).

402043005254 is a wasteful number, since it uses less digits than its factorization.

402043005254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774595.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 402043005254 its reverse (452500340204), we get a palindrome (854543345458).

The spelling of 402043005254 in words is "four hundred two billion, forty-three million, five thousand, two hundred fifty-four".