40994900 has 36 divisors (see below), whose sum is σ = 89798940. Its totient is φ = 16243200.

The previous prime is 40994887. The next prime is 40994909. The reversal of 40994900 is 949904.

It can be written as a sum of positive squares in 6 ways, for example, as 188356 + 40806544 = 434^2 + 6388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40994909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9020 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (2494415).

Almost surely, 2^40994900 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 40994900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44899470).

40994900 is an abundant number, since it is smaller than the sum of its proper divisors (48804040).

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

40994900 is a wasteful number, since it uses less digits than its factorization.

40994900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 40994900 is about 6402.7259819549. The cubic root of 40994900 is about 344.8074259593.

The spelling of 40994900 in words is "forty million, nine hundred ninety-four thousand, nine hundred".