27452121430 has 32 divisors (see below), whose sum is σ = 50478505344. Its totient is φ = 10744375296.

The previous prime is 27452121427. The next prime is 27452121439. The reversal of 27452121430 is 3412125472.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 27452121392 and 27452121401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27452121439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131934 + ... + 3140686.

It is an arithmetic number, because the mean of its divisors is an integer number (1577453292).

Almost surely, 2^27452121430 is an apocalyptic number.

27452121430 is a deficient number, since it is larger than the sum of its proper divisors (23026383914).

27452121430 is a wasteful number, since it uses less digits than its factorization.

27452121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 27452121430 in words is "twenty-seven billion, four hundred fifty-two million, one hundred twenty-one thousand, four hundred thirty".