26401240030 has 32 divisors (see below), whose sum is σ = 51855043968. Its totient is φ = 9598116000.

The previous prime is 26401240013. The next prime is 26401240037. The reversal of 26401240030 is 3004210462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 26401239983 and 26401240010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401240037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462649 + ... + 516571.

It is an arithmetic number, because the mean of its divisors is an integer number (1620470124).

Almost surely, 2^26401240030 is an apocalyptic number.

26401240030 is a deficient number, since it is larger than the sum of its proper divisors (25453803938).

26401240030 is a wasteful number, since it uses less digits than its factorization.

26401240030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58392.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 26401240030 its reverse (3004210462), we get a palindrome (29405450492).

The spelling of 26401240030 in words is "twenty-six billion, four hundred one million, two hundred forty thousand, thirty".