21624026141402 has 32 divisors (see below), whose sum is σ = 33155821238400. Its totient is φ = 10573423518528.

The previous prime is 21624026141369. The next prime is 21624026141477. The reversal of 21624026141402 is 20414162042612.

It is a happy 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, 377624249 + ... + 377681507.

It is an arithmetic number, because the mean of its divisors is an integer number (1036119413700).

Almost surely, 2^{21624026141402} is an apocalyptic number.

21624026141402 is a deficient number, since it is larger than the sum of its proper divisors (11531795096998).

21624026141402 is a wasteful number, since it uses less digits than its factorization.

21624026141402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68870.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 21624026141402 in words is "twenty-one trillion, six hundred twenty-four billion, twenty-six million, one hundred forty-one thousand, four hundred two".