26040035394 has 12 divisors (see below), whose sum is σ = 56420076726. Its totient is φ = 8680011792.

The previous prime is 26040035393. The next prime is 26040035407. The reversal of 26040035394 is 49353004062.

26040035394 is a `hidden beast` number, since 260 + 4 + 0 + 0 + 3 + 5 + 394 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16575275025 + 9464760369 = 128745^2 + 97287^2 .

It is not an unprimeable number, because it can be changed into a prime (26040035393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723334299 + ... + 723334334.

Almost surely, 2^26040035394 is an apocalyptic number.

26040035394 is an abundant number, since it is smaller than the sum of its proper divisors (30380041332).

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

26040035394 is a wasteful number, since it uses less digits than its factorization.

26040035394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446668641 (or 1446668638 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 26040035394 in words is "twenty-six billion, forty million, thirty-five thousand, three hundred ninety-four".