40147700 has 18 divisors (see below), whose sum is σ = 87120726. Its totient is φ = 16059040.

The previous prime is 40147669. The next prime is 40147711. The reversal of 40147700 is 774104.

40147700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2521744 + 37625956 = 1588^2 + 6134^2 .

It is a super-2 number, since 2×40147700² = 3223675630580000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 200639 + ... + 200838.

Almost surely, 2^40147700 is an apocalyptic number.

It is an amenable number.

40147700 is an abundant number, since it is smaller than the sum of its proper divisors (46973026).

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

40147700 is a wasteful number, since it uses less digits than its factorization.

40147700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401491 (or 401484 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40147700 is about 6336.2212713888. The cubic root of 40147700 is about 342.4156113686.

The spelling of 40147700 in words is "forty million, one hundred forty-seven thousand, seven hundred".