402354452 has 12 divisors (see below), whose sum is σ = 712604256. Its totient is φ = 198753240.

The previous prime is 402354413. The next prime is 402354457. The reversal of 402354452 is 254453204.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402354457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605624 + ... + 606287.

It is an arithmetic number, because the mean of its divisors is an integer number (59383688).

Almost surely, 2^402354452 is an apocalyptic number.

It is an amenable number.

402354452 is a deficient number, since it is larger than the sum of its proper divisors (310249804).

402354452 is a wasteful number, since it uses less digits than its factorization.

402354452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211998 (or 1211996 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 402354452 is about 20058.7749376676. The cubic root of 402354452 is about 738.2491184356.

The spelling of 402354452 in words is "four hundred two million, three hundred fifty-four thousand, four hundred fifty-two".