26620402412 has 6 divisors (see below), whose sum is σ = 46585704228. Its totient is φ = 13310201204.

The previous prime is 26620402411. The next prime is 26620402433. The reversal of 26620402412 is 21420402662.

It is not an unprimeable number, because it can be changed into a prime (26620402411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327550298 + ... + 3327550305.

It is an arithmetic number, because the mean of its divisors is an integer number (7764284038).

Almost surely, 2^26620402412 is an apocalyptic number.

It is an amenable number.

26620402412 is a deficient number, since it is larger than the sum of its proper divisors (19965301816).

26620402412 is a wasteful number, since it uses less digits than its factorization.

26620402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655100607 (or 6655100605 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 26620402412 in words is "twenty-six billion, six hundred twenty million, four hundred two thousand, four hundred twelve".