40798144 has 14 divisors (see below), whose sum is σ = 80958944. Its totient is φ = 20399040.

The previous prime is 40798133. The next prime is 40798169. The reversal of 40798144 is 44189704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318672 + ... + 318799.

Almost surely, 2^40798144 is an apocalyptic number.

It is an amenable number.

40798144 is a deficient number, since it is larger than the sum of its proper divisors (40160800).

40798144 is an equidigital number, since it uses as much as digits as its factorization.

40798144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637483 (or 637473 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40798144 is about 6387.3424833807. The cubic root of 40798144 is about 344.2549039126.

The spelling of 40798144 in words is "forty million, seven hundred ninety-eight thousand, one hundred forty-four".