402661104 has 40 divisors (see below), whose sum is σ = 1053384960. Its totient is φ = 132520128.

The previous prime is 402661067. The next prime is 402661109. The reversal of 402661104 is 401166204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402661109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49302 + ... + 56885.

It is an arithmetic number, because the mean of its divisors is an integer number (26334624).

Almost surely, 2^402661104 is an apocalyptic number.

It is an amenable number.

402661104 is an abundant number, since it is smaller than the sum of its proper divisors (650723856).

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

402661104 is a wasteful number, since it uses less digits than its factorization.

402661104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106277 (or 106271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 402661104 is about 20066.4173184951. The cubic root of 402661104 is about 738.4366215017.

The spelling of 402661104 in words is "four hundred two million, six hundred sixty-one thousand, one hundred four".