26146997832 has 32 divisors (see below), whose sum is σ = 69212642400. Its totient is φ = 8202979584.

The previous prime is 26146997827. The next prime is 26146997879. The reversal of 26146997832 is 23879964162.

It is a super-2 number, since 2×26146997832² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32042482 + ... + 32043297.

It is an arithmetic number, because the mean of its divisors is an integer number (2162895075).

Almost surely, 2^26146997832 is an apocalyptic number.

It is an amenable number.

26146997832 is an abundant number, since it is smaller than the sum of its proper divisors (43065644568).

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

26146997832 is a wasteful number, since it uses less digits than its factorization.

26146997832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64085805 (or 64085801 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 26146997832 in words is "twenty-six billion, one hundred forty-six million, nine hundred ninety-seven thousand, eight hundred thirty-two".