26479992000 has 1344 divisors, whose sum is σ = 117084165120. Its totient is φ = 5203968000.

The previous prime is 26479991999. The next prime is 26479992043. The reversal of 26479992000 is 29997462.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 297527956 + ... + 297528044.

Almost surely, 2^26479992000 is an apocalyptic number.

26479992000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26479992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58542082560).

26479992000 is an abundant number, since it is smaller than the sum of its proper divisors (90604173120).

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

26479992000 is a wasteful number, since it uses less digits than its factorization.

26479992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 26479992000 in words is "twenty-six billion, four hundred seventy-nine million, nine hundred ninety-two thousand".