40841900 has 72 divisors (see below), whose sum is σ = 97868736. Its totient is φ = 14670400.

The previous prime is 40841897. The next prime is 40841903. The reversal of 40841900 is 914804.

It is an interprime number because it is at equal distance from previous prime (40841897) and next prime (40841903).

It is a super-2 number, since 2×40841900² = 3336121591220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40841900.

It is not an unprimeable number, because it can be changed into a prime (40841903) 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, 117527 + ... + 117873.

It is an arithmetic number, because the mean of its divisors is an integer number (1359288).

Almost surely, 2^40841900 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 40841900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48934368).

40841900 is an abundant number, since it is smaller than the sum of its proper divisors (57026836).

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

40841900 is a wasteful number, since it uses less digits than its factorization.

40841900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40841900 is about 6390.7667771559. The cubic root of 40841900 is about 344.3779310425.

The spelling of 40841900 in words is "forty million, eight hundred forty-one thousand, nine hundred".