1437448428 has 108 divisors (see below), whose sum is σ = 3958351488. Its totient is φ = 439620480.

The previous prime is 1437448427. The next prime is 1437448429. The reversal of 1437448428 is 8248447341.

1437448428 is a `hidden beast` number, since 143 + 7 + 4 + 484 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (1437448427) and next prime (1437448429).

It is not an unprimeable number, because it can be changed into a prime (1437448421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1161426 + ... + 1162662.

Almost surely, 2^1437448428 is an apocalyptic number.

1437448428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1437448428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979175744).

1437448428 is an abundant number, since it is smaller than the sum of its proper divisors (2520903060).

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

1437448428 is a wasteful number, since it uses less digits than its factorization.

1437448428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1446 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 1437448428 is about 37913.6971027622. The cubic root of 1437448428 is about 1128.5758622177.

The spelling of 1437448428 in words is "one billion, four hundred thirty-seven million, four hundred forty-eight thousand, four hundred twenty-eight".