2469652640 has 192 divisors, whose sum is σ = 7285178880. Its totient is φ = 770273280.

The previous prime is 2469652631. The next prime is 2469652643. The reversal of 2469652640 is 462569642.

It is a junction number, because it is equal to n+sod(n) for n = 2469652591 and 2469652600.

It is not an unprimeable number, because it can be changed into a prime (2469652643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032566 + ... + 1034954.

It is an arithmetic number, because the mean of its divisors is an integer number (37943640).

Almost surely, 2^2469652640 is an apocalyptic number.

2469652640 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 2469652640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642589440).

2469652640 is an abundant number, since it is smaller than the sum of its proper divisors (4815526240).

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

2469652640 is a wasteful number, since it uses less digits than its factorization.

2469652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 2469652640 is about 49695.5998052141. The cubic root of 2469652640 is about 1351.6947421894.

The spelling of 2469652640 in words is "two billion, four hundred sixty-nine million, six hundred fifty-two thousand, six hundred forty".