2400628406 has 16 divisors (see below), whose sum is σ = 4055021568. Its totient is φ = 1055994600.

The previous prime is 2400628369. The next prime is 2400628409. The reversal of 2400628406 is 6048260042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400628409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759310 + ... + 1760673.

It is an arithmetic number, because the mean of its divisors is an integer number (253438848).

Almost surely, 2^2400628406 is an apocalyptic number.

2400628406 is a deficient number, since it is larger than the sum of its proper divisors (1654393162).

2400628406 is a wasteful number, since it uses less digits than its factorization.

2400628406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520027.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2400628406 is about 48996.2080777686. The cubic root of 2400628406 is about 1338.9827443232.

Adding to 2400628406 its reverse (6048260042), we get a palindrome (8448888448).

The spelling of 2400628406 in words is "two billion, four hundred million, six hundred twenty-eight thousand, four hundred six".