2403157240 has 128 divisors (see below), whose sum is σ = 6238425600. Its totient is φ = 823979520.

The previous prime is 2403157223. The next prime is 2403157271. The reversal of 2403157240 is 427513042.

It is a junction number, because it is equal to n+sod(n) for n = 2403157199 and 2403157208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2198134 + ... + 2199226.

It is an arithmetic number, because the mean of its divisors is an integer number (48737700).

Almost surely, 2^2403157240 is an apocalyptic number.

2403157240 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 2403157240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3119212800).

2403157240 is an abundant number, since it is smaller than the sum of its proper divisors (3835268360).

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

2403157240 is a wasteful number, since it uses less digits than its factorization.

2403157240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2403157240 is about 49022.0077108231. The cubic root of 2403157240 is about 1339.4527430410.

The spelling of 2403157240 in words is "two billion, four hundred three million, one hundred fifty-seven thousand, two hundred forty".