1478450438 has 16 divisors (see below), whose sum is σ = 2258735760. Its totient is φ = 725577216.

The previous prime is 1478450437. The next prime is 1478450453. The reversal of 1478450438 is 8340548741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478450431) 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, 70106 + ... + 88722.

It is an arithmetic number, because the mean of its divisors is an integer number (141170985).

Almost surely, 2^1478450438 is an apocalyptic number.

1478450438 is a deficient number, since it is larger than the sum of its proper divisors (780285322).

1478450438 is a wasteful number, since it uses less digits than its factorization.

1478450438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19351.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 1478450438 is about 38450.6233759610. The cubic root of 1478450438 is about 1139.2059819204.

The spelling of 1478450438 in words is "one billion, four hundred seventy-eight million, four hundred fifty thousand, four hundred thirty-eight".