402535490 has 48 divisors (see below), whose sum is σ = 849429504. Its totient is φ = 136936800.

The previous prime is 402535481. The next prime is 402535559. The reversal of 402535490 is 94535204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61055 + ... + 67325.

It is an arithmetic number, because the mean of its divisors is an integer number (17696448).

Almost surely, 2^402535490 is an apocalyptic number.

402535490 is an abundant number, since it is smaller than the sum of its proper divisors (446894014).

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

402535490 is a wasteful number, since it uses less digits than its factorization.

402535490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 402535490 is about 20063.2871185157. The cubic root of 402535490 is about 738.3598260492.

The spelling of 402535490 in words is "four hundred two million, five hundred thirty-five thousand, four hundred ninety".