26490893402 has 16 divisors (see below), whose sum is σ = 41611586112. Its totient is φ = 12624464160.

The previous prime is 26490893369. The next prime is 26490893447. The reversal of 26490893402 is 20439809462.

It is a super-2 number, since 2×26490893402² (a number of 22 digits) contains 22 as substring.

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, 1011788 + ... + 1037639.

It is an arithmetic number, because the mean of its divisors is an integer number (2600724132).

Almost surely, 2^26490893402 is an apocalyptic number.

26490893402 is a deficient number, since it is larger than the sum of its proper divisors (15120692710).

26490893402 is a wasteful number, since it uses less digits than its factorization.

26490893402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049733.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 26490893402 in words is "twenty-six billion, four hundred ninety million, eight hundred ninety-three thousand, four hundred two".