2453990438 has 8 divisors (see below), whose sum is σ = 3681196320. Its totient is φ = 1226925000.

The previous prime is 2453990437. The next prime is 2453990447. The reversal of 2453990438 is 8340993542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2453990392 and 2453990401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453990431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46688 + ... + 84188.

It is an arithmetic number, because the mean of its divisors is an integer number (460149540).

Almost surely, 2^2453990438 is an apocalyptic number.

2453990438 is a deficient number, since it is larger than the sum of its proper divisors (1227205882).

2453990438 is a wasteful number, since it uses less digits than its factorization.

2453990438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70222.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 2453990438 is about 49537.7677938762. The cubic root of 2453990438 is about 1348.8312587974.

The spelling of 2453990438 in words is "two billion, four hundred fifty-three million, nine hundred ninety thousand, four hundred thirty-eight".