2040656451 has 8 divisors (see below), whose sum is σ = 2721406800. Its totient is φ = 1360171872.

The previous prime is 2040656399. The next prime is 2040656459. The reversal of 2040656451 is 1546560402.

2040656451 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2040656451 - 2¹⁷ = 2040525379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040656459) 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, 47776 + ... + 79773.

It is an arithmetic number, because the mean of its divisors is an integer number (340175850).

Almost surely, 2^2040656451 is an apocalyptic number.

2040656451 is a deficient number, since it is larger than the sum of its proper divisors (680750349).

2040656451 is a wasteful number, since it uses less digits than its factorization.

2040656451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132885.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2040656451 is about 45173.6256127400. The cubic root of 2040656451 is about 1268.4011647100.

The spelling of 2040656451 in words is "two billion, forty million, six hundred fifty-six thousand, four hundred fifty-one".