40531326 has 32 divisors (see below), whose sum is σ = 90108288. Its totient is φ = 12049440.

The previous prime is 40531319. The next prime is 40531331. The reversal of 40531326 is 62313504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40531296 and 40531305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (2815884).

Almost surely, 2^40531326 is an apocalyptic number.

40531326 is an abundant number, since it is smaller than the sum of its proper divisors (49576962).

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

40531326 is a wasteful number, since it uses less digits than its factorization.

40531326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40531326 is about 6366.4217579422. The cubic root of 40531326 is about 343.5027914742.

The spelling of 40531326 in words is "forty million, five hundred thirty-one thousand, three hundred twenty-six".