402194010 has 64 divisors (see below), whose sum is σ = 999298944. Its totient is φ = 103526400.

The previous prime is 402193999. The next prime is 402194017. The reversal of 402194010 is 10491204.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402194017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117625 + ... + 120995.

It is an arithmetic number, because the mean of its divisors is an integer number (15614046).

Almost surely, 2^402194010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402194010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499649472).

402194010 is an abundant number, since it is smaller than the sum of its proper divisors (597104934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402194010 is a wasteful number, since it uses less digits than its factorization.

402194010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 402194010 is about 20054.7752418221. The cubic root of 402194010 is about 738.1509778436.

The spelling of 402194010 in words is "four hundred two million, one hundred ninety-four thousand, ten".