402196940 has 48 divisors (see below), whose sum is σ = 919749600. Its totient is φ = 147151872.

The previous prime is 402196933. The next prime is 402196957. The reversal of 402196940 is 49691204.

It is a self number, because there is not a number n which added to its sum of digits gives 402196940.

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, 7229 + ... + 29268.

It is an arithmetic number, because the mean of its divisors is an integer number (19161450).

Almost surely, 2^402196940 is an apocalyptic number.

It is an amenable number.

402196940 is an abundant number, since it is smaller than the sum of its proper divisors (517552660).

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

402196940 is a wasteful number, since it uses less digits than its factorization.

402196940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36554 (or 36552 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 402196940 is about 20054.8482916227. The cubic root of 402196940 is about 738.1527703261.

The spelling of 402196940 in words is "four hundred two million, one hundred ninety-six thousand, nine hundred forty".