402180202 has 8 divisors (see below), whose sum is σ = 603510912. Its totient is φ = 201009900.

The previous prime is 402180197. The next prime is 402180211. The reversal of 402180202 is 202081204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 402180202.

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, 33624 + ... + 43987.

It is an arithmetic number, because the mean of its divisors is an integer number (75438864).

Almost surely, 2^402180202 is an apocalyptic number.

402180202 is a deficient number, since it is larger than the sum of its proper divisors (201330710).

402180202 is a wasteful number, since it uses less digits than its factorization.

402180202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80204.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 402180202 is about 20054.4309817058. The cubic root of 402180202 is about 738.1425304235.

The spelling of 402180202 in words is "four hundred two million, one hundred eighty thousand, two hundred two".