402705376 has 96 divisors (see below), whose sum is σ = 852139008. Its totient is φ = 187038720.

The previous prime is 402705371. The next prime is 402705377. The reversal of 402705376 is 673507204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402705371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4851831 + ... + 4851913.

It is an arithmetic number, because the mean of its divisors is an integer number (8876448).

Almost surely, 2^402705376 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 402705376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426069504).

402705376 is an abundant number, since it is smaller than the sum of its proper divisors (449433632).

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

402705376 is a wasteful number, since it uses less digits than its factorization.

402705376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 402705376 is about 20067.5204248059. The cubic root of 402705376 is about 738.4636838524.

The spelling of 402705376 in words is "four hundred two million, seven hundred five thousand, three hundred seventy-six".