402262542 has 48 divisors (see below), whose sum is σ = 952653312. Its totient is φ = 121660560.

The previous prime is 402262529. The next prime is 402262561. The reversal of 402262542 is 245262204.

It is a happy number.

402262542 is a `hidden beast` number, since 40 + 22 + 62 + 542 = 666.

It is a congruent 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, 118513 + ... + 121859.

It is an arithmetic number, because the mean of its divisors is an integer number (19846944).

Almost surely, 2^402262542 is an apocalyptic number.

402262542 is an abundant number, since it is smaller than the sum of its proper divisors (550390770).

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

402262542 is a wasteful number, since it uses less digits than its factorization.

402262542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 402262542 is about 20056.4837895380. The cubic root of 402262542 is about 738.1929013006.

It can be divided in two parts, 4022 and 62542, that added together give a square (66564 = 258²).

The spelling of 402262542 in words is "four hundred two million, two hundred sixty-two thousand, five hundred forty-two".