2403121040 has 40 divisors (see below), whose sum is σ = 5650051320. Its totient is φ = 950445056.

The previous prime is 2403121031. The next prime is 2403121057. The reversal of 2403121040 is 401213042.

It can be written as a sum of positive squares in 4 ways, for example, as 239382784 + 2163738256 = 15472^2 + 46516^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 161639 + ... + 175878.

It is an arithmetic number, because the mean of its divisors is an integer number (141251283).

Almost surely, 2^2403121040 is an apocalyptic number.

2403121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403121040 is an abundant number, since it is smaller than the sum of its proper divisors (3246930280).

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

2403121040 is a wasteful number, since it uses less digits than its factorization.

2403121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337619 (or 337613 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2403121040 is about 49021.6384875088. The cubic root of 2403121040 is about 1339.4460173842.

Adding to 2403121040 its reverse (401213042), we get a palindrome (2804334082).

The spelling of 2403121040 in words is "two billion, four hundred three million, one hundred twenty-one thousand, forty".