40453308 has 72 divisors (see below), whose sum is σ = 117542880. Its totient is φ = 11491200.

The previous prime is 40453307. The next prime is 40453331. The reversal of 40453308 is 80335404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57358 + ... + 58058.

It is an arithmetic number, because the mean of its divisors is an integer number (1632540).

Almost surely, 2^40453308 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 40453308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58771440).

40453308 is an abundant number, since it is smaller than the sum of its proper divisors (77089572).

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

40453308 is a wasteful number, since it uses less digits than its factorization.

40453308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40453308 is about 6360.2915027536. The cubic root of 40453308 is about 343.2822491837.

The spelling of 40453308 in words is "forty million, four hundred fifty-three thousand, three hundred eight".