40841490 has 16 divisors (see below), whose sum is σ = 98019648. Its totient is φ = 10891056.

The previous prime is 40841473. The next prime is 40841501. The reversal of 40841490 is 9414804.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1361383 = 40841490 / (4 + 0 + 8 + 4 + 1 + 4 + 9 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680662 + ... + 680721.

It is an arithmetic number, because the mean of its divisors is an integer number (6126228).

Almost surely, 2^40841490 is an apocalyptic number.

40841490 is an abundant number, since it is smaller than the sum of its proper divisors (57178158).

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

40841490 is a wasteful number, since it uses less digits than its factorization.

40841490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361393.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40841490 is about 6390.7346995475. The cubic root of 40841490 is about 344.3767786685.

The spelling of 40841490 in words is "forty million, eight hundred forty-one thousand, four hundred ninety".