1951880041 has 8 divisors (see below), whose sum is σ = 2091597984. Its totient is φ = 1814928960.

The previous prime is 1951880023. The next prime is 1951880053. The reversal of 1951880041 is 1400881591.

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 1951880041 - 2²¹ = 1949782889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1951880081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690255 + ... + 693076.

It is an arithmetic number, because the mean of its divisors is an integer number (261449748).

Almost surely, 2^1951880041 is an apocalyptic number.

It is an amenable number.

1951880041 is a deficient number, since it is larger than the sum of its proper divisors (139717943).

1951880041 is a wasteful number, since it uses less digits than its factorization.

1951880041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383431.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1951880041 is about 44180.0864756963. The cubic root of 1951880041 is about 1249.7343522957.

The spelling of 1951880041 in words is "one billion, nine hundred fifty-one million, eight hundred eighty thousand, forty-one".