26466423490 has 16 divisors (see below), whose sum is σ = 51304144248. Its totient is φ = 9772217856.

The previous prime is 26466423479. The next prime is 26466423499. The reversal of 26466423490 is 9432466462.

It can be written as a sum of positive squares in 4 ways, for example, as 11157063129 + 15309360361 = 105627^2 + 123731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26466423490.

It is not an unprimeable number, because it can be changed into a prime (26466423499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101793807 + ... + 101794066.

Almost surely, 2^26466423490 is an apocalyptic number.

26466423490 is a deficient number, since it is larger than the sum of its proper divisors (24837720758).

26466423490 is a wasteful number, since it uses less digits than its factorization.

26466423490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203587893.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 26466423490 in words is "twenty-six billion, four hundred sixty-six million, four hundred twenty-three thousand, four hundred ninety".