1018452985380 has 384 divisors, whose sum is σ = 3416766312960. Its totient is φ = 250915553280.

The previous prime is 1018452985367. The next prime is 1018452985411. The reversal of 1018452985380 is 835892548101.

1018452985380 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 4 + 529 + 85 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 332066607 + ... + 332069673.

It is an arithmetic number, because the mean of its divisors is an integer number (8897828940).

Almost surely, 2^{1018452985380} is an apocalyptic number.

1018452985380 is a gapful number since it is divisible by the number (10) 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 1018452985380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708383156480).

1018452985380 is an abundant number, since it is smaller than the sum of its proper divisors (2398313327580).

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

1018452985380 is a wasteful number, since it uses less digits than its factorization.

1018452985380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 1018452985380 in words is "one trillion, eighteen billion, four hundred fifty-two million, nine hundred eighty-five thousand, three hundred eighty".