40141980 has 120 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 10523520.

The previous prime is 40141979. The next prime is 40141987. The reversal of 40141980 is 8914104.

It is a super-2 number, since 2×40141980² = 3222757116640800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141987) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114846 + ... + 115194.

It is an arithmetic number, because the mean of its divisors is an integer number (1067220).

Almost surely, 2^40141980 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 40141980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64033200).

40141980 is an abundant number, since it is smaller than the sum of its proper divisors (87924420).

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

40141980 is a wasteful number, since it uses less digits than its factorization.

40141980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 40141980 is about 6335.7698821848. The cubic root of 40141980 is about 342.3993488320.

The spelling of 40141980 in words is "forty million, one hundred forty-one thousand, nine hundred eighty".