26629004040 has 64 divisors (see below), whose sum is σ = 80496884160. Its totient is φ = 7046856960.

The previous prime is 26629004029. The next prime is 26629004057. The reversal of 26629004040 is 4040092662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26629003992 and 26629004010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831259 + ... + 862698.

It is an arithmetic number, because the mean of its divisors is an integer number (1257763815).

Almost surely, 2^26629004040 is an apocalyptic number.

26629004040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26629004040 is an abundant number, since it is smaller than the sum of its proper divisors (53867880120).

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

26629004040 is a wasteful number, since it uses less digits than its factorization.

26629004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694102 (or 1694098 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 26629004040 in words is "twenty-six billion, six hundred twenty-nine million, four thousand, forty".