2857901040 has 60 divisors (see below), whose sum is σ = 9597786744. Its totient is φ = 762106752.

The previous prime is 2857901027. The next prime is 2857901051. The reversal of 2857901040 is 401097582.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2857900986 and 2857901004.

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, 1983934 + ... + 1985373.

Almost surely, 2^2857901040 is an apocalyptic number.

2857901040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857901040 is an abundant number, since it is smaller than the sum of its proper divisors (6739885704).

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

2857901040 is a wasteful number, since it uses less digits than its factorization.

2857901040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969326 (or 3969317 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2857901040 is about 53459.3400632668. The cubic root of 2857901040 is about 1419.1089165743.

The spelling of 2857901040 in words is "two billion, eight hundred fifty-seven million, nine hundred one thousand, forty".