698032064400 has 240 divisors, whose sum is σ = 2440099055808. Its totient is φ = 169164800000.

The previous prime is 698032064399. The next prime is 698032064413. The reversal of 698032064400 is 4460230896.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52806592 + ... + 52819808.

Almost surely, 2^698032064400 is an apocalyptic number.

698032064400 is a gapful number since it is divisible by the number (60) 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 698032064400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220049527904).

698032064400 is an abundant number, since it is smaller than the sum of its proper divisors (1742066991408).

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

698032064400 is a wasteful number, since it uses less digits than its factorization.

698032064400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250 (or 17239 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 698032064400 in words is "six hundred ninety-eight billion, thirty-two million, sixty-four thousand, four hundred".