402551355 has 8 divisors (see below), whose sum is σ = 644082192. Its totient is φ = 214694048.

The previous prime is 402551333. The next prime is 402551371. The reversal of 402551355 is 553155204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 402551355 - 2¹² = 402547259 is a prime.

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, 13418364 + ... + 13418393.

It is an arithmetic number, because the mean of its divisors is an integer number (80510274).

Almost surely, 2^402551355 is an apocalyptic number.

402551355 is a deficient number, since it is larger than the sum of its proper divisors (241530837).

402551355 is a wasteful number, since it uses less digits than its factorization.

402551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26836765.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 402551355 is about 20063.6824885164. The cubic root of 402551355 is about 738.3695261668.

The spelling of 402551355 in words is "four hundred two million, five hundred fifty-one thousand, three hundred fifty-five".