402412374 has 144 divisors (see below), whose sum is σ = 1117622688. Its totient is φ = 105815808.

The previous prime is 402412349. The next prime is 402412421. The reversal of 402412374 is 473214204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1193934 + ... + 1194270.

Almost surely, 2^402412374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402412374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558811344).

402412374 is an abundant number, since it is smaller than the sum of its proper divisors (715210314).

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

402412374 is an equidigital number, since it uses as much as digits as its factorization.

402412374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 402412374 is about 20060.2186927262. The cubic root of 402412374 is about 738.2845422710.

Adding to 402412374 its reverse (473214204), we get a palindrome (875626578).

The spelling of 402412374 in words is "four hundred two million, four hundred twelve thousand, three hundred seventy-four".