21024626321402 has 8 divisors (see below), whose sum is σ = 34403933980512. Its totient is φ = 9556648327900.

The previous prime is 21024626321359. The next prime is 21024626321429. The reversal of 21024626321402 is 20412362642012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477832416374 + ... + 477832416417.

It is an arithmetic number, because the mean of its divisors is an integer number (4300491747564).

Almost surely, 2^{21024626321402} is an apocalyptic number.

21024626321402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21024626321402 is a deficient number, since it is larger than the sum of its proper divisors (13379307659110).

21024626321402 is a wasteful number, since it uses less digits than its factorization.

21024626321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955664832804.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 21024626321402 its reverse (20412362642012), we get a palindrome (41436988963414).

The spelling of 21024626321402 in words is "twenty-one trillion, twenty-four billion, six hundred twenty-six million, three hundred twenty-one thousand, four hundred two".