402254340 has 48 divisors (see below), whose sum is σ = 1192568832. Its totient is φ = 100957696.

The previous prime is 402254317. The next prime is 402254351. The reversal of 402254340 is 43452204.

402254340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 402254340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196164 + ... + 198203.

It is an arithmetic number, because the mean of its divisors is an integer number (24845184).

Almost surely, 2^402254340 is an apocalyptic number.

It is an amenable number.

402254340 is an abundant number, since it is smaller than the sum of its proper divisors (790314492).

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

402254340 is a wasteful number, since it uses less digits than its factorization.

402254340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394396 (or 394394 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 402254340 is about 20056.2793159649. The cubic root of 402254340 is about 738.1878840969.

The spelling of 402254340 in words is "four hundred two million, two hundred fifty-four thousand, three hundred forty".