402562434 has 16 divisors (see below), whose sum is σ = 805764960. Its totient is φ = 134080800.

The previous prime is 402562417. The next prime is 402562439. The reversal of 402562434 is 434265204.

It is not an unprimeable number, because it can be changed into a prime (402562439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292 + ... + 33759.

It is an arithmetic number, because the mean of its divisors is an integer number (50360310).

Almost surely, 2^402562434 is an apocalyptic number.

402562434 is an abundant number, since it is smaller than the sum of its proper divisors (403202526).

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

402562434 is a wasteful number, since it uses less digits than its factorization.

402562434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53345.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 402562434 is about 20063.9585824931. The cubic root of 402562434 is about 738.3762998954.

The spelling of 402562434 in words is "four hundred two million, five hundred sixty-two thousand, four hundred thirty-four".