2698626240 has 448 divisors, whose sum is σ = 10621670400. Its totient is φ = 640991232.

The previous prime is 2698626199. The next prime is 2698626269. The reversal of 2698626240 is 426268962.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2790237 + ... + 2791203.

Almost surely, 2^2698626240 is an apocalyptic number.

2698626240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2698626240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5310835200).

2698626240 is an abundant number, since it is smaller than the sum of its proper divisors (7923044160).

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

2698626240 is a wasteful number, since it uses less digits than its factorization.

2698626240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2698626240 is about 51948.3035334168. The cubic root of 2698626240 is about 1392.2404459792.

The spelling of 2698626240 in words is "two billion, six hundred ninety-eight million, six hundred twenty-six thousand, two hundred forty".