402274600 has 288 divisors, whose sum is σ = 1241170560. Its totient is φ = 117849600.

The previous prime is 402274583. The next prime is 402274601. The reversal of 402274600 is 6472204.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (402274601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12976585 + ... + 12976615.

It is an arithmetic number, because the mean of its divisors is an integer number (4309620).

Almost surely, 2^402274600 is an apocalyptic number.

402274600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402274600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620585280).

402274600 is an abundant number, since it is smaller than the sum of its proper divisors (838895960).

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

402274600 is a wasteful number, since it uses less digits than its factorization.

402274600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 402274600 is about 20056.7843883310. The cubic root of 402274600 is about 738.2002771146.

The spelling of 402274600 in words is "four hundred two million, two hundred seventy-four thousand, six hundred".