1026401022 has 48 divisors (see below), whose sum is σ = 2257644480. Its totient is φ = 336960000.

The previous prime is 1026401003. The next prime is 1026401023. The reversal of 1026401022 is 2201046201.

1026401022 is a `hidden beast` number, since 1 + 0 + 2 + 640 + 1 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1026400986 and 1026401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 854022 + ... + 855222.

It is an arithmetic number, because the mean of its divisors is an integer number (47034260).

Almost surely, 2^1026401022 is an apocalyptic number.

1026401022 is an abundant number, since it is smaller than the sum of its proper divisors (1231243458).

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

1026401022 is a wasteful number, since it uses less digits than its factorization.

1026401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1026401022 is about 32037.4940031208. The cubic root of 1026401022 is about 1008.7240109758.

Adding to 1026401022 its reverse (2201046201), we get a palindrome (3227447223).

The spelling of 1026401022 in words is "one billion, twenty-six million, four hundred one thousand, twenty-two".