402274460 has 96 divisors (see below), whose sum is σ = 1040202240. Its totient is φ = 127588608.

The previous prime is 402274447. The next prime is 402274469. The reversal of 402274460 is 64472204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402274469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112622 + ... + 116138.

It is an arithmetic number, because the mean of its divisors is an integer number (10835440).

Almost surely, 2^402274460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402274460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520101120).

402274460 is an abundant number, since it is smaller than the sum of its proper divisors (637927780).

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

402274460 is a wasteful number, since it uses less digits than its factorization.

402274460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 402274460 is about 20056.7808982399. The cubic root of 402274460 is about 738.2001914782.

The spelling of 402274460 in words is "four hundred two million, two hundred seventy-four thousand, four hundred sixty".