1540473866118 has 96 divisors (see below), whose sum is σ = 3878030257920. Its totient is φ = 454193710560.

The previous prime is 1540473866117. The next prime is 1540473866131. The reversal of 1540473866118 is 8116683740451.

1540473866118 is a `hidden beast` number, since 1 + 54 + 0 + 473 + 8 + 6 + 6 + 118 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540473866117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3696178 + ... + 4091781.

It is an arithmetic number, because the mean of its divisors is an integer number (40396148520).

Almost surely, 2^{1540473866118} is an apocalyptic number.

1540473866118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1540473866118 is an abundant number, since it is smaller than the sum of its proper divisors (2337556391802).

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

1540473866118 is a wasteful number, since it uses less digits than its factorization.

1540473866118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788024 (or 7788012 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 1540473866118 in words is "one trillion, five hundred forty billion, four hundred seventy-three million, eight hundred sixty-six thousand, one hundred eighteen".