1018868944572 has 48 divisors (see below), whose sum is σ = 2756360436480. Its totient is φ = 324856764144.

The previous prime is 1018868944547. The next prime is 1018868944631. The reversal of 1018868944572 is 2754498688101.

1018868944572 is a `hidden beast` number, since 1 + 0 + 18 + 8 + 6 + 8 + 9 + 44 + 572 = 666.

It is a super-2 number, since 2×1018868944572² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205083858 + ... + 205088825.

It is an arithmetic number, because the mean of its divisors is an integer number (57424175760).

Almost surely, 2^{1018868944572} is an apocalyptic number.

1018868944572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1018868944572 is an abundant number, since it is smaller than the sum of its proper divisors (1737491491908).

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

1018868944572 is a wasteful number, since it uses less digits than its factorization.

1018868944572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410172719 (or 410172711 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 1018868944572 in words is "one trillion, eighteen billion, eight hundred sixty-eight million, nine hundred forty-four thousand, five hundred seventy-two".