40007562 has 64 divisors (see below), whose sum is σ = 97770240. Its totient is φ = 10653696.

The previous prime is 40007551. The next prime is 40007567. The reversal of 40007562 is 26570004.

It is a happy number.

40007562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40007567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97614 + ... + 98022.

It is an arithmetic number, because the mean of its divisors is an integer number (1527660).

Almost surely, 2^40007562 is an apocalyptic number.

40007562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40007562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48885120).

40007562 is an abundant number, since it is smaller than the sum of its proper divisors (57762678).

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

40007562 is a wasteful number, since it uses less digits than its factorization.

40007562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40007562 is about 6325.1531206762. The cubic root of 40007562 is about 342.0167393742.

Adding to 40007562 its reverse (26570004), we get a palindrome (66577566).

The spelling of 40007562 in words is "forty million, seven thousand, five hundred sixty-two".