1968037458 has 32 divisors (see below), whose sum is σ = 4114022400. Its totient is φ = 626449296.

The previous prime is 1968037399. The next prime is 1968037531. The reversal of 1968037458 is 8547308691.

It is a super-2 number, since 2×1968037458² = 7746342872182203528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1968037458.

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, 73903 + ... + 96941.

It is an arithmetic number, because the mean of its divisors is an integer number (128563200).

Almost surely, 2^1968037458 is an apocalyptic number.

1968037458 is an abundant number, since it is smaller than the sum of its proper divisors (2145984942).

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

1968037458 is a wasteful number, since it uses less digits than its factorization.

1968037458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23686.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1968037458 is about 44362.5682078935. The cubic root of 1968037458 is about 1253.1732618838.

The spelling of 1968037458 in words is "one billion, nine hundred sixty-eight million, thirty-seven thousand, four hundred fifty-eight".