40745592 has 80 divisors (see below), whose sum is σ = 115041960. Its totient is φ = 13473216.

The previous prime is 40745587. The next prime is 40745597. The reversal of 40745592 is 29554704.

It is an interprime number because it is at equal distance from previous prime (40745587) and next prime (40745597).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745597) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146958 + ... + 147234.

Almost surely, 2^40745592 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 40745592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57520980).

40745592 is an abundant number, since it is smaller than the sum of its proper divisors (74296368).

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

40745592 is a wasteful number, since it uses less digits than its factorization.

40745592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 40745592 is about 6383.2273968581. The cubic root of 40745592 is about 344.1070290725.

The spelling of 40745592 in words is "forty million, seven hundred forty-five thousand, five hundred ninety-two".