27401555002 has 4 divisors (see below), whose sum is σ = 41102332506. Its totient is φ = 13700777500.

The previous prime is 27401554997. The next prime is 27401555029. The reversal of 27401555002 is 20055510472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26775104161 + 626450841 = 163631^2 + 25029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850388749 + ... + 6850388752.

Almost surely, 2^27401555002 is an apocalyptic number.

27401555002 is a deficient number, since it is larger than the sum of its proper divisors (13700777504).

27401555002 is a wasteful number, since it uses less digits than its factorization.

27401555002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700777503.

The product of its (nonzero) digits is 14000, while the sum is 31.

The spelling of 27401555002 in words is "twenty-seven billion, four hundred one million, five hundred fifty-five thousand, two".