2040591654 has 24 divisors (see below), whose sum is σ = 4450960800. Its totient is φ = 675631248.

The previous prime is 2040591649. The next prime is 2040591673. The reversal of 2040591654 is 4561950402.

2040591654 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 591 + 65 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377742 + ... + 383105.

It is an arithmetic number, because the mean of its divisors is an integer number (185456700).

Almost surely, 2^2040591654 is an apocalyptic number.

2040591654 is an abundant number, since it is smaller than the sum of its proper divisors (2410369146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040591654 is a wasteful number, since it uses less digits than its factorization.

2040591654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761004 (or 761001 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2040591654 is about 45172.9084075843. The cubic root of 2040591654 is about 1268.3877393797.

The spelling of 2040591654 in words is "two billion, forty million, five hundred ninety-one thousand, six hundred fifty-four".