21374326750740 has 96 divisors (see below), whose sum is σ = 62535407913216. Its totient is φ = 5444563998720.

The previous prime is 21374326750697. The next prime is 21374326750759. The reversal of 21374326750740 is 4705762347312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9553701 + ... + 11576780.

It is an arithmetic number, because the mean of its divisors is an integer number (651410499096).

Almost surely, 2^{21374326750740} is an apocalyptic number.

21374326750740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21374326750740 is an abundant number, since it is smaller than the sum of its proper divisors (41161081162476).

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

21374326750740 is a wasteful number, since it uses less digits than its factorization.

21374326750740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131249 (or 21131247 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 51.

The spelling of 21374326750740 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred twenty-six million, seven hundred fifty thousand, seven hundred forty".