40912002 has 48 divisors (see below), whose sum is σ = 92282112. Its totient is φ = 13085280.

The previous prime is 40911977. The next prime is 40912007. The reversal of 40912002 is 20021904.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40912007) 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, 87373 + ... + 87839.

It is an arithmetic number, because the mean of its divisors is an integer number (1922544).

Almost surely, 2^40912002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40912002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46141056).

40912002 is an abundant number, since it is smaller than the sum of its proper divisors (51370110).

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

40912002 is a wasteful number, since it uses less digits than its factorization.

40912002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40912002 is about 6396.2490570646. The cubic root of 40912002 is about 344.5748512191.

Adding to 40912002 its reverse (20021904), we get a palindrome (60933906).

The spelling of 40912002 in words is "forty million, nine hundred twelve thousand, two".