402334425 has 48 divisors (see below), whose sum is σ = 741024000. Its totient is φ = 214021440.

The previous prime is 402334417. The next prime is 402334441. The reversal of 402334425 is 524433204.

402334425 is a `hidden beast` number, since 4 + 0 + 233 + 4 + 425 = 666.

It is not a de Polignac number, because 402334425 - 2³ = 402334417 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484911 + ... + 485739.

It is an arithmetic number, because the mean of its divisors is an integer number (15438000).

Almost surely, 2^402334425 is an apocalyptic number.

402334425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

402334425 is a deficient number, since it is larger than the sum of its proper divisors (338689575).

402334425 is a wasteful number, since it uses less digits than its factorization.

402334425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 402334425 is about 20058.2757235013. The cubic root of 402334425 is about 738.2368695670.

Adding to 402334425 its reverse (524433204), we get a palindrome (926767629).

The spelling of 402334425 in words is "four hundred two million, three hundred thirty-four thousand, four hundred twenty-five".