40545860 has 24 divisors (see below), whose sum is σ = 85537536. Its totient is φ = 16143840.

The previous prime is 40545853. The next prime is 40545863. The reversal of 40545860 is 6854504.

It is not an unprimeable number, because it can be changed into a prime (40545863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (3564064).

Almost surely, 2^40545860 is an apocalyptic number.

It is an amenable number.

40545860 is an abundant number, since it is smaller than the sum of its proper divisors (44991676).

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

40545860 is a wasteful number, since it uses less digits than its factorization.

40545860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 40545860 is about 6367.5631131540. The cubic root of 40545860 is about 343.5438450940.

The spelling of 40545860 in words is "forty million, five hundred forty-five thousand, eight hundred sixty".