40797148 has 24 divisors (see below), whose sum is σ = 81804800. Its totient is φ = 17439408.

The previous prime is 40797139. The next prime is 40797149. The reversal of 40797148 is 84179704.

It is a self number, because there is not a number n which added to its sum of digits gives 40797148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10633 + ... + 13951.

Almost surely, 2^40797148 is an apocalyptic number.

It is an amenable number.

40797148 is an abundant number, since it is smaller than the sum of its proper divisors (41007652).

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

40797148 is a wasteful number, since it uses less digits than its factorization.

40797148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 40797148 is about 6387.2645162072. The cubic root of 40797148 is about 344.2521024725.

The spelling of 40797148 in words is "forty million, seven hundred ninety-seven thousand, one hundred forty-eight".