22698023557440 has 1344 divisors, whose sum is σ = 98199389933568. Its totient is φ = 4376390860800.

The previous prime is 22698023557411. The next prime is 22698023557487. The reversal of 22698023557440 is 4475532089622.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 624531909 + ... + 624568251.

It is an arithmetic number, because the mean of its divisors is an integer number (73065022272).

Almost surely, 2^{22698023557440} is an apocalyptic number.

22698023557440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22698023557440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49099694966784).

22698023557440 is an abundant number, since it is smaller than the sum of its proper divisors (75501366376128).

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

22698023557440 is a wasteful number, since it uses less digits than its factorization.

22698023557440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36476 (or 36459 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 22698023557440 in words is "twenty-two trillion, six hundred ninety-eight billion, twenty-three million, five hundred fifty-seven thousand, four hundred forty".