1024090881 has 24 divisors (see below), whose sum is σ = 1535798880. Its totient is φ = 606217920.

The previous prime is 1024090877. The next prime is 1024090933. The reversal of 1024090881 is 1880904201.

It is not a de Polignac number, because 1024090881 - 2² = 1024090877 is a prime.

It is a super-2 number, since 2×1024090881² = 2097524265094712322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1024090981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17196 + ... + 48413.

It is an arithmetic number, because the mean of its divisors is an integer number (63991620).

Almost surely, 2^1024090881 is an apocalyptic number.

1024090881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1024090881 is a deficient number, since it is larger than the sum of its proper divisors (511707999).

1024090881 is a wasteful number, since it uses less digits than its factorization.

1024090881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65677 (or 65666 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1024090881 is about 32001.4199841195. The cubic root of 1024090881 is about 1007.9666574934.

The spelling of 1024090881 in words is "one billion, twenty-four million, ninety thousand, eight hundred eighty-one".