40260840 has 32 divisors (see below), whose sum is σ = 120782880. Its totient is φ = 10736192.

The previous prime is 40260839. The next prime is 40260851. The reversal of 40260840 is 4806204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40260840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167634 + ... + 167873.

It is an arithmetic number, because the mean of its divisors is an integer number (3774465).

Almost surely, 2^40260840 is an apocalyptic number.

40260840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40260840 is an abundant number, since it is smaller than the sum of its proper divisors (80522040).

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

40260840 is a wasteful number, since it uses less digits than its factorization.

40260840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335521 (or 335517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40260840 is about 6345.1430243928. The cubic root of 40260840 is about 342.7369628391.

The spelling of 40260840 in words is "forty million, two hundred sixty thousand, eight hundred forty".