40537922 has 8 divisors (see below), whose sum is σ = 61640076. Its totient is φ = 19991232.

The previous prime is 40537919. The next prime is 40537927. The reversal of 40537922 is 22973504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36132121 + 4405801 = 6011^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40537927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138683 + ... + 138974.

Almost surely, 2^40537922 is an apocalyptic number.

40537922 is a deficient number, since it is larger than the sum of its proper divisors (21102154).

40537922 is a wasteful number, since it uses less digits than its factorization.

40537922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277732.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40537922 is about 6366.9397672665. The cubic root of 40537922 is about 343.5214241528.

The spelling of 40537922 in words is "forty million, five hundred thirty-seven thousand, nine hundred twenty-two".