425981402 has 24 divisors (see below), whose sum is σ = 810868320. Its totient is φ = 165966360.

The previous prime is 425981401. The next prime is 425981441. The reversal of 425981402 is 204189524.

It is not an unprimeable number, because it can be changed into a prime (425981401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196502 + ... + 198657.

It is an arithmetic number, because the mean of its divisors is an integer number (33786180).

Almost surely, 2^425981402 is an apocalyptic number.

425981402 is a deficient number, since it is larger than the sum of its proper divisors (384886918).

425981402 is a wasteful number, since it uses less digits than its factorization.

425981402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395186 (or 395179 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 425981402 is about 20639.3168976107. The cubic root of 425981402 is about 752.4255704282.

The spelling of 425981402 in words is "four hundred twenty-five million, nine hundred eighty-one thousand, four hundred two".