1940554291 has 8 divisors (see below), whose sum is σ = 2090237744. Its totient is φ = 1790929440.

The previous prime is 1940554289. The next prime is 1940554333. The reversal of 1940554291 is 1924550491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1940554291 - 2¹ = 1940554289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940554211) 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, 74065 + ... + 96781.

It is an arithmetic number, because the mean of its divisors is an integer number (261279718).

Almost surely, 2^1940554291 is an apocalyptic number.

1940554291 is a deficient number, since it is larger than the sum of its proper divisors (149683453).

1940554291 is a wasteful number, since it uses less digits than its factorization.

1940554291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29301.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1940554291 is about 44051.7229061475. The cubic root of 1940554291 is about 1247.3124746538.

The spelling of 1940554291 in words is "one billion, nine hundred forty million, five hundred fifty-four thousand, two hundred ninety-one".