26401050 has 72 divisors (see below), whose sum is σ = 76403964. Its totient is φ = 6497280.

The previous prime is 26401003. The next prime is 26401061. The reversal of 26401050 is 5010462.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 114921 + 26286129 = 339^2 + 5127^2 .

It is a super-2 number, since 2×26401050² = 1394030882205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3594 + ... + 8106.

Almost surely, 2^26401050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26401050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38201982).

26401050 is an abundant number, since it is smaller than the sum of its proper divisors (50002914).

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

26401050 is a wasteful number, since it uses less digits than its factorization.

26401050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 26401050 is about 5138.1952084365. The cubic root of 26401050 is about 297.7650581289.

The spelling of 26401050 in words is "twenty-six million, four hundred one thousand, fifty".