2040154961 has 8 divisors (see below), whose sum is σ = 2197567680. Its totient is φ = 1882810512.

The previous prime is 2040154933. The next prime is 2040154969. The reversal of 2040154961 is 1694510402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040154961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2040154969) 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, 56906 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (274695960).

Almost surely, 2^2040154961 is an apocalyptic number.

It is an amenable number.

2040154961 is a deficient number, since it is larger than the sum of its proper divisors (157412719).

2040154961 is a wasteful number, since it uses less digits than its factorization.

2040154961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34135.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2040154961 is about 45168.0745770727. The cubic root of 2040154961 is about 1268.2972532761.

The spelling of 2040154961 in words is "two billion, forty million, one hundred fifty-four thousand, nine hundred sixty-one".