2626449408 has 416 divisors, whose sum is σ = 9058590720. Its totient is φ = 743178240.

The previous prime is 2626449383. The next prime is 2626449443. The reversal of 2626449408 is 8049446262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20680641 + ... + 20680767.

Almost surely, 2^2626449408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2626449408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529295360).

2626449408 is an abundant number, since it is smaller than the sum of its proper divisors (6432141312).

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

2626449408 is a wasteful number, since it uses less digits than its factorization.

2626449408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 2626449408 is about 51248.8966515378. The cubic root of 2626449408 is about 1379.7159339690.

The spelling of 2626449408 in words is "two billion, six hundred twenty-six million, four hundred forty-nine thousand, four hundred eight".