2158824804534 has 32 divisors (see below), whose sum is σ = 4827945087840. Its totient is φ = 715024773216.

The previous prime is 2158824804509. The next prime is 2158824804569. The reversal of 2158824804534 is 4354084288512.

2158824804534 is a `hidden beast` number, since 2 + 1 + 5 + 8 + 8 + 24 + 80 + 4 + 534 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127310749 + ... + 127327704.

It is an arithmetic number, because the mean of its divisors is an integer number (150873283995).

Almost surely, 2^{2158824804534} is an apocalyptic number.

2158824804534 is an abundant number, since it is smaller than the sum of its proper divisors (2669120283306).

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

2158824804534 is a wasteful number, since it uses less digits than its factorization.

2158824804534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254638621 (or 254638615 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 54.

The spelling of 2158824804534 in words is "two trillion, one hundred fifty-eight billion, eight hundred twenty-four million, eight hundred four thousand, five hundred thirty-four".