402425496 has 288 divisors, whose sum is σ = 1339163280. Its totient is φ = 111974400.

The previous prime is 402425483. The next prime is 402425509. The reversal of 402425496 is 694524204.

It is an interprime number because it is at equal distance from previous prime (402425483) and next prime (402425509).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 402425496.

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, 9815236 + ... + 9815276.

Almost surely, 2^402425496 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 402425496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669581640).

402425496 is an abundant number, since it is smaller than the sum of its proper divisors (936737784).

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

402425496 is a wasteful number, since it uses less digits than its factorization.

402425496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 402425496 is about 20060.5457552879. The cubic root of 402425496 is about 738.2925669286.

The spelling of 402425496 in words is "four hundred two million, four hundred twenty-five thousand, four hundred ninety-six".