40797408 has 48 divisors (see below), whose sum is σ = 112734720. Its totient is φ = 12882816.

The previous prime is 40797401. The next prime is 40797413. The reversal of 40797408 is 80479704.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9360 + ... + 13007.

It is an arithmetic number, because the mean of its divisors is an integer number (2348640).

Almost surely, 2^40797408 is an apocalyptic number.

40797408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40797408 is an abundant number, since it is smaller than the sum of its proper divisors (71937312).

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

40797408 is a wasteful number, since it uses less digits than its factorization.

40797408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22399 (or 22391 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40797408 is about 6387.2848691756. The cubic root of 40797408 is about 344.2528337765.

The spelling of 40797408 in words is "forty million, seven hundred ninety-seven thousand, four hundred eight".