402342420148 has 6 divisors (see below), whose sum is σ = 704099235266. Its totient is φ = 201171210072.

The previous prime is 402342420107. The next prime is 402342420191. The reversal of 402342420148 is 841024243204.

It can be written as a sum of positive squares in only one way, i.e., 278486287524 + 123856132624 = 527718^2 + 351932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50292802515 + ... + 50292802522.

Almost surely, 2^402342420148 is an apocalyptic number.

It is an amenable number.

402342420148 is a deficient number, since it is larger than the sum of its proper divisors (301756815118).

402342420148 is a wasteful number, since it uses less digits than its factorization.

402342420148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100585605041 (or 100585605039 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The spelling of 402342420148 in words is "four hundred two billion, three hundred forty-two million, four hundred twenty thousand, one hundred forty-eight".