4012685894154 has 64 divisors (see below), whose sum is σ = 9236219443200. Its totient is φ = 1138462371648.

The previous prime is 4012685894153. The next prime is 4012685894179. The reversal of 4012685894154 is 4514985862104.

It is a super-2 number, since 2×4012685894154² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4012685894094 and 4012685894103.

It is not an unprimeable number, because it can be changed into a prime (4012685894153) 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, 3094819 + ... + 4195625.

It is an arithmetic number, because the mean of its divisors is an integer number (144315928800).

Almost surely, 2^{4012685894154} is an apocalyptic number.

4012685894154 is an abundant number, since it is smaller than the sum of its proper divisors (5223533549046).

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

4012685894154 is a wasteful number, since it uses less digits than its factorization.

4012685894154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101427.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 4012685894154 in words is "four trillion, twelve billion, six hundred eighty-five million, eight hundred ninety-four thousand, one hundred fifty-four".