118426077690 has 32 divisors (see below), whose sum is σ = 290832417216. Its totient is φ = 30845861760.

The previous prime is 118426077689. The next prime is 118426077697. The reversal of 118426077690 is 96770624811.

It is a super-2 number, since 2×118426077690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118426077697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45900291 + ... + 45902870.

It is an arithmetic number, because the mean of its divisors is an integer number (9088513038).

Almost surely, 2^118426077690 is an apocalyptic number.

118426077690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118426077690 is an abundant number, since it is smaller than the sum of its proper divisors (172406339526).

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

118426077690 is a wasteful number, since it uses less digits than its factorization.

118426077690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91803214.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 118426077690 in words is "one hundred eighteen billion, four hundred twenty-six million, seventy-seven thousand, six hundred ninety".