40919544 has 96 divisors (see below), whose sum is σ = 118862640. Its totient is φ = 12672000.

The previous prime is 40919491. The next prime is 40919569. The reversal of 40919544 is 44591904.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40919499 and 40919508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123459 + ... + 123789.

Almost surely, 2^40919544 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 40919544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59431320).

40919544 is an abundant number, since it is smaller than the sum of its proper divisors (77943096).

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

40919544 is a wasteful number, since it uses less digits than its factorization.

40919544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40919544 is about 6396.8385941807. The cubic root of 40919544 is about 344.5960236846.

The spelling of 40919544 in words is "forty million, nine hundred nineteen thousand, five hundred forty-four".