40533740 has 96 divisors (see below), whose sum is σ = 97542144. Its totient is φ = 14042880.

The previous prime is 40533737. The next prime is 40533743. The reversal of 40533740 is 4733504.

It is an interprime number because it is at equal distance from previous prime (40533737) and next prime (40533743).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40533743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378767 + ... + 378873.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 2^40533740 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 40533740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48771072).

40533740 is an abundant number, since it is smaller than the sum of its proper divisors (57008404).

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

40533740 is a wasteful number, since it uses less digits than its factorization.

40533740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 40533740 is about 6366.6113435642. The cubic root of 40533740 is about 343.5096108849.

The spelling of 40533740 in words is "forty million, five hundred thirty-three thousand, seven hundred forty".