1428638302 has 64 divisors (see below), whose sum is σ = 2720962944. Its totient is φ = 547430400.

The previous prime is 1428638297. The next prime is 1428638327. The reversal of 1428638302 is 2038368241.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376802 + ... + 2377402.

It is an arithmetic number, because the mean of its divisors is an integer number (42515046).

Almost surely, 2^1428638302 is an apocalyptic number.

1428638302 is a deficient number, since it is larger than the sum of its proper divisors (1292324642).

1428638302 is a wasteful number, since it uses less digits than its factorization.

1428638302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1428638302 is about 37797.3319428766. The cubic root of 1428638302 is about 1126.2654539161.

The spelling of 1428638302 in words is "one billion, four hundred twenty-eight million, six hundred thirty-eight thousand, three hundred two".