1478996442 has 256 divisors, whose sum is σ = 4380364800. Its totient is φ = 358318080.

The previous prime is 1478996437. The next prime is 1478996459. The reversal of 1478996442 is 2446998741.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7663098 + ... + 7663290.

It is an arithmetic number, because the mean of its divisors is an integer number (17110800).

Almost surely, 2^1478996442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478996442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190182400).

1478996442 is an abundant number, since it is smaller than the sum of its proper divisors (2901368358).

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

1478996442 is a wasteful number, since it uses less digits than its factorization.

1478996442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1478996442 is about 38457.7227874974. The cubic root of 1478996442 is about 1139.3462040637.

The spelling of 1478996442 in words is "one billion, four hundred seventy-eight million, nine hundred ninety-six thousand, four hundred forty-two".