1460221438 has 32 divisors (see below), whose sum is σ = 2389306752. Its totient is φ = 665280000.

The previous prime is 1460221387. The next prime is 1460221439. The reversal of 1460221438 is 8341220641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1460221439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215238 + ... + 1216438.

It is an arithmetic number, because the mean of its divisors is an integer number (74665836).

Almost surely, 2^1460221438 is an apocalyptic number.

1460221438 is a deficient number, since it is larger than the sum of its proper divisors (929085314).

1460221438 is a wasteful number, since it uses less digits than its factorization.

1460221438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1460221438 is about 38212.8438878867. The cubic root of 1460221438 is about 1134.5045449557.

The spelling of 1460221438 in words is "one billion, four hundred sixty million, two hundred twenty-one thousand, four hundred thirty-eight".