2051400880 has 40 divisors (see below), whose sum is σ = 5050069632. Its totient is φ = 772291584.

The previous prime is 2051400877. The next prime is 2051400899. The reversal of 2051400880 is 880041502.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752832 + ... + 755551.

Almost surely, 2^2051400880 is an apocalyptic number.

2051400880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051400880 is an abundant number, since it is smaller than the sum of its proper divisors (2998668752).

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

2051400880 is a wasteful number, since it uses less digits than its factorization.

2051400880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508413 (or 1508407 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2051400880 is about 45292.3931803123. The cubic root of 2051400880 is about 1270.6233904008.

The spelling of 2051400880 in words is "two billion, fifty-one million, four hundred thousand, eight hundred eighty".