402424206192330 has 256 divisors, whose sum is σ = 1141867811487744. Its totient is φ = 88847994977280.

The previous prime is 402424206192313. The next prime is 402424206192389. The reversal of 402424206192330 is 33291602424204.

It is a super-2 number, since 2×402424206192330² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 650560447 + ... + 651178733.

It is an arithmetic number, because the mean of its divisors is an integer number (4460421138624).

Almost surely, 2^{402424206192330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402424206192330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570933905743872).

402424206192330 is an abundant number, since it is smaller than the sum of its proper divisors (739443605295414).

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

402424206192330 is a wasteful number, since it uses less digits than its factorization.

402424206192330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618949.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 402424206192330 in words is "four hundred two trillion, four hundred twenty-four billion, two hundred six million, one hundred ninety-two thousand, three hundred thirty".