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BaseRepresentation
bin10010100101010100010011…
…11011111101001100100000
312100200121202112112212200122
421102222021323331030200
520324011232030044023
6222524541523135412
711415241462516364
oct1122521173751440
9170617675485618
1040864633049888
111202565902187a
1246bba0ab14568
1319a5697ac084b
14a13c047552a4
154aceb23822c8
hex252a89efd320

40864633049888 has 18 divisors (see below), whose sum is σ = 80452317510369. Its totient is φ = 20432298444096.

The previous prime is 40864633049873. The next prime is 40864633049957. The reversal of 40864633049888 is 88894033646804.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 24028153029904 + 16836480019984 = 4901852^2 + 4103228^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=4520212.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35596670 + ... + 36726722.

Almost surely, 240864633049888 is an apocalyptic number.

It is an amenable number.

40864633049888 is a deficient number, since it is larger than the sum of its proper divisors (39587684460481).

40864633049888 is an frugal number, since it uses more digits than its factorization.

40864633049888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260116 (or 1130055 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 71.

The spelling of 40864633049888 in words is "forty trillion, eight hundred sixty-four billion, six hundred thirty-three million, forty-nine thousand, eight hundred eighty-eight".