2403880440 has 64 divisors (see below), whose sum is σ = 7766388000. Its totient is φ = 591724032.

The previous prime is 2403880439. The next prime is 2403880447. The reversal of 2403880440 is 440883042.

2403880440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403880447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768915 + ... + 772034.

Almost surely, 2^2403880440 is an apocalyptic number.

2403880440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403880440 is an abundant number, since it is smaller than the sum of its proper divisors (5362507560).

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

2403880440 is a wasteful number, since it uses less digits than its factorization.

2403880440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540976 (or 1540972 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 2403880440 is about 49029.3834348343. The cubic root of 2403880440 is about 1339.5870933937.

The spelling of 2403880440 in words is "two billion, four hundred three million, eight hundred eighty thousand, four hundred forty".