40413776 has 40 divisors (see below), whose sum is σ = 84723744. Its totient is φ = 18564480.

The previous prime is 40413773. The next prime is 40413799. The reversal of 40413776 is 67731404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40413773) 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, 68555 + ... + 69141.

Almost surely, 2^40413776 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 40413776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42361872).

40413776 is an abundant number, since it is smaller than the sum of its proper divisors (44309968).

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

40413776 is a wasteful number, since it uses less digits than its factorization.

40413776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 40413776 is about 6357.1830239502. The cubic root of 40413776 is about 343.1703913615.

The spelling of 40413776 in words is "forty million, four hundred thirteen thousand, seven hundred seventy-six".