532147678452 has 48 divisors (see below), whose sum is σ = 1485768450880. Its totient is φ = 163737746784.

The previous prime is 532147678441. The next prime is 532147678453. The reversal of 532147678452 is 254876741235.

532147678452 is a `hidden beast` number, since 53 + 2 + 1 + 4 + 76 + 78 + 452 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532147678453) 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, 189509878 + ... + 189512685.

Almost surely, 2^532147678452 is an apocalyptic number.

532147678452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

532147678452 is an abundant number, since it is smaller than the sum of its proper divisors (953620772428).

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

532147678452 is a wasteful number, since it uses less digits than its factorization.

532147678452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379022589 (or 379022581 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 532147678452 in words is "five hundred thirty-two billion, one hundred forty-seven million, six hundred seventy-eight thousand, four hundred fifty-two".