2801428542 has 36 divisors (see below), whose sum is σ = 6671726880. Its totient is φ = 848917080.

The previous prime is 2801428541. The next prime is 2801428573. The reversal of 2801428542 is 2458241082.

2801428542 is a `hidden beast` number, since 2 + 80 + 14 + 28 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2801428497 and 2801428506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801428541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 640942 + ... + 645297.

Almost surely, 2^2801428542 is an apocalyptic number.

2801428542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2801428542 is an abundant number, since it is smaller than the sum of its proper divisors (3870298338).

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

2801428542 is a wasteful number, since it uses less digits than its factorization.

2801428542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286269 (or 1286255 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 2801428542 is about 52928.5229531299. The cubic root of 2801428542 is about 1409.6994047608.

The spelling of 2801428542 in words is "two billion, eight hundred one million, four hundred twenty-eight thousand, five hundred forty-two".