40626544 has 40 divisors (see below), whose sum is σ = 91209440. Its totient is φ = 17169408.

The previous prime is 40626527. The next prime is 40626557. The reversal of 40626544 is 44562604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5692 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (2280236).

Almost surely, 2^40626544 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 40626544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45604720).

40626544 is an abundant number, since it is smaller than the sum of its proper divisors (50582896).

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

40626544 is a wasteful number, since it uses less digits than its factorization.

40626544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057 (or 5051 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 40626544 is about 6373.8955121652. The cubic root of 40626544 is about 343.7715718033.

The spelling of 40626544 in words is "forty million, six hundred twenty-six thousand, five hundred forty-four".