1840841541 has 24 divisors (see below), whose sum is σ = 3315109824. Its totient is φ = 956280960.

The previous prime is 1840841537. The next prime is 1840841551. The reversal of 1840841541 is 1451480481.

It is not a de Polignac number, because 1840841541 - 2² = 1840841537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1840841496 and 1840841505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840841521) 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, 1327476 + ... + 1328861.

It is an arithmetic number, because the mean of its divisors is an integer number (138129576).

Almost surely, 2^1840841541 is an apocalyptic number.

1840841541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1840841541 is a deficient number, since it is larger than the sum of its proper divisors (1474268283).

1840841541 is a wasteful number, since it uses less digits than its factorization.

1840841541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656361 (or 2656358 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 1840841541 is about 42905.0293205820. The cubic root of 1840841541 is about 1225.5719203103.

The spelling of 1840841541 in words is "one billion, eight hundred forty million, eight hundred forty-one thousand, five hundred forty-one".