254402000403402 has 16 divisors (see below), whose sum is σ = 510461342832672. Its totient is φ = 84524443130160.

The previous prime is 254402000403361. The next prime is 254402000403443. The reversal of 254402000403402 is 204304000204452.

It is an interprime number because it is at equal distance from previous prime (254402000403361) and next prime (254402000403443).

It is a self number, because there is not a number n which added to its sum of digits gives 254402000403402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69055915749 + ... + 69055919432.

It is an arithmetic number, because the mean of its divisors is an integer number (31903833927042).

Almost surely, 2^{254402000403402} is an apocalyptic number.

254402000403402 is an abundant number, since it is smaller than the sum of its proper divisors (256059342429270).

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

254402000403402 is a wasteful number, since it uses less digits than its factorization.

254402000403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138111835493.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 254402000403402 its reverse (204304000204452), we get a palindrome (458706000607854).

The spelling of 254402000403402 in words is "two hundred fifty-four trillion, four hundred two billion, four hundred three thousand, four hundred two".