40537692 has 72 divisors (see below), whose sum is σ = 113855280. Its totient is φ = 12467520.

The previous prime is 40537619. The next prime is 40537711. The reversal of 40537692 is 29673504.

40537692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17142 + ... + 19362.

Almost surely, 2^40537692 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 40537692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56927640).

40537692 is an abundant number, since it is smaller than the sum of its proper divisors (73317588).

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

40537692 is a wasteful number, since it uses less digits than its factorization.

40537692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 40537692 is about 6366.9217051885. The cubic root of 40537692 is about 343.5207744725.

The spelling of 40537692 in words is "forty million, five hundred thirty-seven thousand, six hundred ninety-two".