18840157070 has 16 divisors (see below), whose sum is σ = 38756894688. Its totient is φ = 6459482400.

The previous prime is 18840157069. The next prime is 18840157073. The reversal of 18840157070 is 7075104881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18840157073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134572481 + ... + 134572620.

It is an arithmetic number, because the mean of its divisors is an integer number (2422305918).

Almost surely, 2^18840157070 is an apocalyptic number.

18840157070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18840157070 is an abundant number, since it is smaller than the sum of its proper divisors (19916737618).

18840157070 is a wasteful number, since it uses less digits than its factorization.

18840157070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269145115.

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 18840157070 in words is "eighteen billion, eight hundred forty million, one hundred fifty-seven thousand, seventy".