1438428954 has 32 divisors (see below), whose sum is σ = 2976251904. Its totient is φ = 462979440.

The previous prime is 1438428941. The next prime is 1438429021. The reversal of 1438428954 is 4598248341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77767 + ... + 94469.

It is an arithmetic number, because the mean of its divisors is an integer number (93007872).

Almost surely, 2^1438428954 is an apocalyptic number.

1438428954 is an abundant number, since it is smaller than the sum of its proper divisors (1537822950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438428954 is a wasteful number, since it uses less digits than its factorization.

1438428954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202.

The product of its digits is 1105920, while the sum is 48.

The square root of 1438428954 is about 37926.6259242765. The cubic root of 1438428954 is about 1128.8324155278.

The spelling of 1438428954 in words is "one billion, four hundred thirty-eight million, four hundred twenty-eight thousand, nine hundred fifty-four".