245631022026 has 64 divisors (see below), whose sum is σ = 549165851136. Its totient is φ = 72758016000.

The previous prime is 245631022003. The next prime is 245631022037. The reversal of 245631022026 is 620220136542.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325575 + ... + 772826.

It is an arithmetic number, because the mean of its divisors is an integer number (8580716424).

Almost surely, 2^245631022026 is an apocalyptic number.

245631022026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

245631022026 is an abundant number, since it is smaller than the sum of its proper divisors (303534829110).

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

245631022026 is a wasteful number, since it uses less digits than its factorization.

245631022026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098527.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 245631022026 its reverse (620220136542), we get a palindrome (865851158568).

The spelling of 245631022026 in words is "two hundred forty-five billion, six hundred thirty-one million, twenty-two thousand, twenty-six".