40844925 has 48 divisors (see below), whose sum is σ = 81869760. Its totient is φ = 19800000.

The previous prime is 40844917. The next prime is 40844953. The reversal of 40844925 is 52944804.

It is not a de Polignac number, because 40844925 - 2³ = 40844917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40844925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4675 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (1705620).

Almost surely, 2^40844925 is an apocalyptic number.

40844925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40844925 is an abundant number, since it is smaller than the sum of its proper divisors (41024835).

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

40844925 is a wasteful number, since it uses less digits than its factorization.

40844925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 40844925 is about 6391.0034423399. The cubic root of 40844925 is about 344.3864330753.

It can be divided in two parts, 4084 and 4925, that added together give a palindrome (9009).

The spelling of 40844925 in words is "forty million, eight hundred forty-four thousand, nine hundred twenty-five".