402250026 has 24 divisors (see below), whose sum is σ = 849075264. Its totient is φ = 127025640.

The previous prime is 402250001. The next prime is 402250049. The reversal of 402250026 is 620052204.

It is a junction number, because it is equal to n+sod(n) for n = 402249984 and 402250011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90690 + ... + 95021.

It is an arithmetic number, because the mean of its divisors is an integer number (35378136).

Almost surely, 2^402250026 is an apocalyptic number.

402250026 is an abundant number, since it is smaller than the sum of its proper divisors (446825238).

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

402250026 is a wasteful number, since it uses less digits than its factorization.

402250026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185754 (or 185735 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 402250026 is about 20056.1717683111. The cubic root of 402250026 is about 738.1852451745.

The spelling of 402250026 in words is "four hundred two million, two hundred fifty thousand, twenty-six".