1022663040 has 128 divisors (see below), whose sum is σ = 3725464320. Its totient is φ = 233748480.

The previous prime is 1022663029. The next prime is 1022663113. The reversal of 1022663040 is 403662201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1022663040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24606 + ... + 51485.

It is an arithmetic number, because the mean of its divisors is an integer number (29105190).

Almost surely, 2^1022663040 is an apocalyptic number.

1022663040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022663040 is an abundant number, since it is smaller than the sum of its proper divisors (2702801280).

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

1022663040 is an equidigital number, since it uses as much as digits as its factorization.

1022663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76120 (or 76108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1022663040 is about 31979.1031769185. The cubic root of 1022663040 is about 1007.4979863555.

The spelling of 1022663040 in words is "one billion, twenty-two million, six hundred sixty-three thousand, forty".