40014736 has 40 divisors (see below), whose sum is σ = 82789344. Its totient is φ = 18670080.

The previous prime is 40014701. The next prime is 40014739. The reversal of 40014736 is 63741004.

It is a self number, because there is not a number n which added to its sum of digits gives 40014736.

It is not an unprimeable number, because it can be changed into a prime (40014739) 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, 35071 + ... + 36193.

Almost surely, 2^40014736 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 40014736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41394672).

40014736 is an abundant number, since it is smaller than the sum of its proper divisors (42774608).

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

40014736 is a wasteful number, since it uses less digits than its factorization.

40014736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40014736 is about 6325.7201961516. The cubic root of 40014736 is about 342.0371811884.

The spelling of 40014736 in words is "forty million, fourteen thousand, seven hundred thirty-six".