40991202 has 48 divisors (see below), whose sum is σ = 102435840. Its totient is φ = 11604096.

The previous prime is 40991201. The next prime is 40991213. The reversal of 40991202 is 20219904.

It is not an unprimeable number, because it can be changed into a prime (40991201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12799 + ... + 15677.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 2^40991202 is an apocalyptic number.

40991202 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40991202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51217920).

40991202 is an abundant number, since it is smaller than the sum of its proper divisors (61444638).

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

40991202 is a wasteful number, since it uses less digits than its factorization.

40991202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40991202 is about 6402.4371921949. The cubic root of 40991202 is about 344.7970577086.

The spelling of 40991202 in words is "forty million, nine hundred ninety-one thousand, two hundred two".