40699800 has 96 divisors (see below), whose sum is σ = 140206800. Its totient is φ = 10851840.

The previous prime is 40699783. The next prime is 40699829. The reversal of 40699800 is 899604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632 + ... + 9168.

Almost surely, 2^40699800 is an apocalyptic number.

40699800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40699800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70103400).

40699800 is an abundant number, since it is smaller than the sum of its proper divisors (99507000).

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

40699800 is a wasteful number, since it uses less digits than its factorization.

40699800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562 (or 7547 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 40699800 is about 6379.6394882470. The cubic root of 40699800 is about 343.9780723358.

The spelling of 40699800 in words is "forty million, six hundred ninety-nine thousand, eight hundred".