1198497039264 has 480 divisors, whose sum is σ = 4238157724416. Its totient is φ = 325039288320.

The previous prime is 1198497039239. The next prime is 1198497039281. The reversal of 1198497039264 is 4629307948911.

1198497039264 is a `hidden beast` number, since 1 + 1 + 98 + 497 + 0 + 39 + 26 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27502677 + ... + 27546219.

Almost surely, 2^{1198497039264} is an apocalyptic number.

1198497039264 is a gapful number since it is divisible by the number (14) 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 1198497039264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119078862208).

1198497039264 is an abundant number, since it is smaller than the sum of its proper divisors (3039660685152).

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

1198497039264 is a wasteful number, since it uses less digits than its factorization.

1198497039264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43650 (or 43633 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 1198497039264 in words is "one trillion, one hundred ninety-eight billion, four hundred ninety-seven million, thirty-nine thousand, two hundred sixty-four".