2400621580 has 48 divisors (see below), whose sum is σ = 5783996736. Its totient is φ = 819855360.

The previous prime is 2400621529. The next prime is 2400621581. The reversal of 2400621580 is 851260042.

It is a super-3 number, since 3×2400621580³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2400621581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620 + ... + 69340.

It is an arithmetic number, because the mean of its divisors is an integer number (120499932).

Almost surely, 2^2400621580 is an apocalyptic number.

2400621580 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 2400621580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891998368).

2400621580 is an abundant number, since it is smaller than the sum of its proper divisors (3383375156).

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

2400621580 is a wasteful number, since it uses less digits than its factorization.

2400621580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66994 (or 66992 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2400621580 is about 48996.1384192673. The cubic root of 2400621580 is about 1338.9814752242.

The spelling of 2400621580 in words is "two billion, four hundred million, six hundred twenty-one thousand, five hundred eighty".