4004135423550 has 36 divisors (see below), whose sum is σ = 10757777172480. Its totient is φ = 1067769446160.

The previous prime is 4004135423527. The next prime is 4004135423567. The reversal of 4004135423550 is 553245314004.

4004135423550 is a `hidden beast` number, since 4 + 0 + 0 + 413 + 5 + 4 + 235 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4449038910 + ... + 4449039809.

It is an arithmetic number, because the mean of its divisors is an integer number (298827143680).

Almost surely, 2^{4004135423550} is an apocalyptic number.

4004135423550 is an abundant number, since it is smaller than the sum of its proper divisors (6753641748930).

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

4004135423550 is a wasteful number, since it uses less digits than its factorization.

4004135423550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898078737 (or 8898078729 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 4004135423550 in words is "four trillion, four billion, one hundred thirty-five million, four hundred twenty-three thousand, five hundred fifty".