40373136 has 60 divisors (see below), whose sum is σ = 113686300. Its totient is φ = 13374720.

The previous prime is 40373111. The next prime is 40373149. The reversal of 40373136 is 63137304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 35283600 = 2256^2 + 5940^2 .

It is a super-2 number, since 2×40373136² = 3259980220948992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25290 + ... + 26838.

Almost surely, 2^40373136 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 40373136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56843150).

40373136 is an abundant number, since it is smaller than the sum of its proper divisors (73313164).

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

40373136 is a wasteful number, since it uses less digits than its factorization.

40373136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 40373136 is about 6353.9858356783. The cubic root of 40373136 is about 343.0553223303.

The spelling of 40373136 in words is "forty million, three hundred seventy-three thousand, one hundred thirty-six".