40797552 has 80 divisors (see below), whose sum is σ = 112626720. Its totient is φ = 12725248.

The previous prime is 40797529. The next prime is 40797553. The reversal of 40797552 is 25579704.

It is a self number, because there is not a number n which added to its sum of digits gives 40797552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235738 + ... + 235910.

It is an arithmetic number, because the mean of its divisors is an integer number (1407834).

Almost surely, 2^40797552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40797552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56313360).

40797552 is an abundant number, since it is smaller than the sum of its proper divisors (71829168).

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

40797552 is a wasteful number, since it uses less digits than its factorization.

40797552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 40797552 is about 6387.2961415610. The cubic root of 40797552 is about 344.2532388051.

The spelling of 40797552 in words is "forty million, seven hundred ninety-seven thousand, five hundred fifty-two".