26462682640 has 40 divisors (see below), whose sum is σ = 62392310208. Its totient is φ = 10435985280.

The previous prime is 26462682607. The next prime is 26462682661. The reversal of 26462682640 is 4628626462.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2323782 + ... + 2335141.

Almost surely, 2^26462682640 is an apocalyptic number.

26462682640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26462682640 is an abundant number, since it is smaller than the sum of its proper divisors (35929627568).

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

26462682640 is a wasteful number, since it uses less digits than its factorization.

26462682640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659007 (or 4659001 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 26462682640 in words is "twenty-six billion, four hundred sixty-two million, six hundred eighty-two thousand, six hundred forty".