40370740 has 24 divisors (see below), whose sum is σ = 85062600. Its totient is φ = 16094208.

The previous prime is 40370723. The next prime is 40370741. The reversal of 40370740 is 4707304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2965284 + 37405456 = 1722^2 + 6116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370741) 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, 3036 + ... + 9484.

It is an arithmetic number, because the mean of its divisors is an integer number (3544275).

Almost surely, 2^40370740 is an apocalyptic number.

It is an amenable number.

40370740 is an abundant number, since it is smaller than the sum of its proper divisors (44691860).

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

40370740 is a wasteful number, since it uses less digits than its factorization.

40370740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6769 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 40370740 is about 6353.7972898102. The cubic root of 40370740 is about 343.0485358307.

The spelling of 40370740 in words is "forty million, three hundred seventy thousand, seven hundred forty".