40069900 has 54 divisors (see below), whose sum is σ = 94194492. Its totient is φ = 14788800.

The previous prime is 40069889. The next prime is 40069921. The reversal of 40069900 is 996004.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15715 + ... + 18085.

Almost surely, 2^40069900 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 40069900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47097246).

40069900 is an abundant number, since it is smaller than the sum of its proper divisors (54124592).

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

40069900 is a wasteful number, since it uses less digits than its factorization.

40069900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 40069900 is about 6330.0789884487. The cubic root of 40069900 is about 342.1942856045.

The spelling of 40069900 in words is "forty million, sixty-nine thousand, nine hundred".