40797270 has 96 divisors (see below), whose sum is σ = 111750912. Its totient is φ = 10707552.

The previous prime is 40797257. The next prime is 40797277. The reversal of 40797270 is 7279704.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250209 + ... + 250371.

It is an arithmetic number, because the mean of its divisors is an integer number (1164072).

Almost surely, 2^40797270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40797270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55875456).

40797270 is an abundant number, since it is smaller than the sum of its proper divisors (70953642).

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

40797270 is a wasteful number, since it uses less digits than its factorization.

40797270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 40797270 is about 6387.2740664543. The cubic root of 40797270 is about 344.2524456232.

The spelling of 40797270 in words is "forty million, seven hundred ninety-seven thousand, two hundred seventy".