4261887544212 has 72 divisors (see below), whose sum is σ = 11833158442560. Its totient is φ = 1287343601280.

The previous prime is 4261887544207. The next prime is 4261887544289. The reversal of 4261887544212 is 2124457881624.

4261887544212 is a `hidden beast` number, since 4 + 2 + 6 + 1 + 8 + 87 + 544 + 2 + 12 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135437089 + ... + 135468552.

Almost surely, 2^{4261887544212} is an apocalyptic number.

It is an amenable number.

4261887544212 is an abundant number, since it is smaller than the sum of its proper divisors (7571270898348).

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

4261887544212 is a wasteful number, since it uses less digits than its factorization.

4261887544212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270905693 (or 270905688 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The spelling of 4261887544212 in words is "four trillion, two hundred sixty-one billion, eight hundred eighty-seven million, five hundred forty-four thousand, two hundred twelve".