40842441 has 8 divisors (see below), whose sum is σ = 60507360. Its totient is φ = 27228276.

The previous prime is 40842433. The next prime is 40842479. The reversal of 40842441 is 14424804.

It is a happy number.

It is not a de Polignac number, because 40842441 - 2³ = 40842433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1512683 = 40842441 / (4 + 0 + 8 + 4 + 2 + 4 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (40842491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756315 + ... + 756368.

It is an arithmetic number, because the mean of its divisors is an integer number (7563420).

Almost surely, 2^40842441 is an apocalyptic number.

It is an amenable number.

40842441 is a deficient number, since it is larger than the sum of its proper divisors (19664919).

40842441 is a wasteful number, since it uses less digits than its factorization.

40842441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512692 (or 1512686 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 40842441 is about 6390.8091037051. The cubic root of 40842441 is about 344.3794516021.

It can be divided in two parts, 408 and 42441, that added together give a square (42849 = 207²).

The spelling of 40842441 in words is "forty million, eight hundred forty-two thousand, four hundred forty-one".