4001523461898 has 64 divisors (see below), whose sum is σ = 8264756277120. Its totient is φ = 1290625892352.

The previous prime is 4001523461893. The next prime is 4001523461899. The reversal of 4001523461898 is 8981643251004.

It is a super-2 number, since 2×4001523461898² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001523461898.

It is not an unprimeable number, because it can be changed into a prime (4001523461893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139620786 + ... + 139649442.

It is an arithmetic number, because the mean of its divisors is an integer number (129136816830).

Almost surely, 2^{4001523461898} is an apocalyptic number.

4001523461898 is an abundant number, since it is smaller than the sum of its proper divisors (4263232815222).

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

4001523461898 is a wasteful number, since it uses less digits than its factorization.

4001523461898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32151.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 4001523461898 in words is "four trillion, one billion, five hundred twenty-three million, four hundred sixty-one thousand, eight hundred ninety-eight".