826478042 has 16 divisors (see below), whose sum is σ = 1378148352. Its totient is φ = 369146160.

The previous prime is 826477999. The next prime is 826478063. The reversal of 826478042 is 240874628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511898 + ... + 513509.

It is an arithmetic number, because the mean of its divisors is an integer number (86134272).

Almost surely, 2^826478042 is an apocalyptic number.

826478042 is a deficient number, since it is larger than the sum of its proper divisors (551670310).

826478042 is a wasteful number, since it uses less digits than its factorization.

826478042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025453.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 826478042 is about 28748.5311276942. The cubic root of 826478042 is about 938.4484900704.

The spelling of 826478042 in words is "eight hundred twenty-six million, four hundred seventy-eight thousand, forty-two".