40007080 has 32 divisors (see below), whose sum is σ = 91290240. Its totient is φ = 15776320.

The previous prime is 40007063. The next prime is 40007083. The reversal of 40007080 is 8070004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40007083) 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, 4204 + ... + 9883.

It is an arithmetic number, because the mean of its divisors is an integer number (2852820).

Almost surely, 2^40007080 is an apocalyptic number.

40007080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40007080 is an abundant number, since it is smaller than the sum of its proper divisors (51283160).

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

40007080 is a wasteful number, since it uses less digits than its factorization.

40007080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 40007080 is about 6325.1150187171. The cubic root of 40007080 is about 342.0153658611.

Adding to 40007080 its reverse (8070004), we get a palindrome (48077084).

The spelling of 40007080 in words is "forty million, seven thousand, eighty".