40014780 has 144 divisors (see below), whose sum is σ = 127012704. Its totient is φ = 9354240.

The previous prime is 40014763. The next prime is 40014781. The reversal of 40014780 is 8741004.

40014780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40014780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014781) 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 47 ways as a sum of consecutive naturals, for example, 655950 + ... + 656010.

Almost surely, 2^40014780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40014780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63506352).

40014780 is an abundant number, since it is smaller than the sum of its proper divisors (86997924).

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

40014780 is a wasteful number, since it uses less digits than its factorization.

40014780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 40014780 is about 6325.7236740155. The cubic root of 40014780 is about 342.0373065558.

Adding to 40014780 its reverse (8741004), we get a palindrome (48755784).

The spelling of 40014780 in words is "forty million, fourteen thousand, seven hundred eighty".