2620912140 has 240 divisors, whose sum is σ = 10251166464. Its totient is φ = 544579200.

The previous prime is 2620912127. The next prime is 2620912163. The reversal of 2620912140 is 412190262.

2620912140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 114235 + ... + 135245.

Almost surely, 2^2620912140 is an apocalyptic number.

2620912140 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 2620912140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5125583232).

2620912140 is an abundant number, since it is smaller than the sum of its proper divisors (7630254324).

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

2620912140 is a wasteful number, since it uses less digits than its factorization.

2620912140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050 (or 21039 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2620912140 is about 51194.8448576612. The cubic root of 2620912140 is about 1378.7456465881.

The spelling of 2620912140 in words is "two billion, six hundred twenty million, nine hundred twelve thousand, one hundred forty".