402102281246 has 4 divisors (see below), whose sum is σ = 603153421872. Its totient is φ = 201051140622.

The previous prime is 402102281227. The next prime is 402102281257. The reversal of 402102281246 is 642182201204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525570310 + ... + 100525570313.

It is an arithmetic number, because the mean of its divisors is an integer number (150788355468).

Almost surely, 2^402102281246 is an apocalyptic number.

402102281246 is a deficient number, since it is larger than the sum of its proper divisors (201051140626).

402102281246 is a wasteful number, since it uses less digits than its factorization.

402102281246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201051140625.

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 402102281246 in words is "four hundred two billion, one hundred two million, two hundred eighty-one thousand, two hundred forty-six".