2054430642 has 16 divisors (see below), whose sum is σ = 4482394272. Its totient is φ = 622554720.

The previous prime is 2054430641. The next prime is 2054430643. The reversal of 2054430642 is 2460344502.

It is an interprime number because it is at equal distance from previous prime (2054430641) and next prime (2054430643).

It is not an unprimeable number, because it can be changed into a prime (2054430641) 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, 15563803 + ... + 15563934.

It is an arithmetic number, because the mean of its divisors is an integer number (280149642).

Almost surely, 2^2054430642 is an apocalyptic number.

2054430642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2054430642 is an abundant number, since it is smaller than the sum of its proper divisors (2427963630).

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

2054430642 is a wasteful number, since it uses less digits than its factorization.

2054430642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31127753.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2054430642 is about 45325.8275379501. The cubic root of 2054430642 is about 1271.2486205098.

The spelling of 2054430642 in words is "two billion, fifty-four million, four hundred thirty thousand, six hundred forty-two".