4080420651 has 4 divisors (see below), whose sum is σ = 5440560872. Its totient is φ = 2720280432.

The previous prime is 4080420649. The next prime is 4080420653. The reversal of 4080420651 is 1560240804.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4080420649) and next prime (4080420653).

It is not a de Polignac number, because 4080420651 - 2¹ = 4080420649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4080420653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680070106 + ... + 680070111.

It is an arithmetic number, because the mean of its divisors is an integer number (1360140218).

Almost surely, 2^4080420651 is an apocalyptic number.

4080420651 is a deficient number, since it is larger than the sum of its proper divisors (1360140221).

4080420651 is a wasteful number, since it uses less digits than its factorization.

4080420651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360140220.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4080420651 is about 63878.1703792461. The cubic root of 4080420651 is about 1597.9688615713.

The spelling of 4080420651 in words is "four billion, eighty million, four hundred twenty thousand, six hundred fifty-one".