402551355242 has 8 divisors (see below), whose sum is σ = 603831597600. Its totient is φ = 201274156044.

The previous prime is 402551355223. The next prime is 402551355253. The reversal of 402551355242 is 242553155204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 402551355196 and 402551355205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394892 + ... + 980327.

It is an arithmetic number, because the mean of its divisors is an integer number (75478949700).

Almost surely, 2^402551355242 is an apocalyptic number.

402551355242 is a deficient number, since it is larger than the sum of its proper divisors (201280242358).

402551355242 is a wasteful number, since it uses less digits than its factorization.

402551355242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521580.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 402551355242 in words is "four hundred two billion, five hundred fifty-one million, three hundred fifty-five thousand, two hundred forty-two".