2403452506 has 64 divisors (see below), whose sum is σ = 4598286336. Its totient is φ = 916531200.

The previous prime is 2403452423. The next prime is 2403452509. The reversal of 2403452506 is 6052543042.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2403452509) 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, 1765266 + ... + 1766626.

It is an arithmetic number, because the mean of its divisors is an integer number (71848224).

Almost surely, 2^2403452506 is an apocalyptic number.

2403452506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2403452506 is a deficient number, since it is larger than the sum of its proper divisors (2194833830).

2403452506 is a wasteful number, since it uses less digits than its factorization.

2403452506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2403452506 is about 49025.0191840860. The cubic root of 2403452506 is about 1339.5075984691.

Adding to 2403452506 its reverse (6052543042), we get a palindrome (8455995548).

The spelling of 2403452506 in words is "two billion, four hundred three million, four hundred fifty-two thousand, five hundred six".