1118778499440 has 200 divisors, whose sum is σ = 4440781292640. Its totient is φ = 255720789504.

The previous prime is 1118778499429. The next prime is 1118778499471. The reversal of 1118778499440 is 449948778111.

1118778499440 is a `hidden beast` number, since 1 + 1 + 1 + 87 + 78 + 49 + 9 + 440 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12286855 + ... + 12377574.

Almost surely, 2^{1118778499440} is an apocalyptic number.

1118778499440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118778499440 is an abundant number, since it is smaller than the sum of its proper divisors (3322002793200).

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

1118778499440 is a wasteful number, since it uses less digits than its factorization.

1118778499440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664461 (or 24664446 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 1118778499440 in words is "one trillion, one hundred eighteen billion, seven hundred seventy-eight million, four hundred ninety-nine thousand, four hundred forty".