978460042 has 16 divisors (see below), whose sum is σ = 1722695040. Its totient is φ = 408006288.

The previous prime is 978460033. The next prime is 978460051. The reversal of 978460042 is 240064879.

It is an interprime number because it is at equal distance from previous prime (978460033) and next prime (978460051).

It is a junction number, because it is equal to n+sod(n) for n = 978459977 and 978460004.

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, 943942 + ... + 944977.

It is an arithmetic number, because the mean of its divisors is an integer number (107668440).

Almost surely, 2^978460042 is an apocalyptic number.

978460042 is a deficient number, since it is larger than the sum of its proper divisors (744234998).

978460042 is a wasteful number, since it uses less digits than its factorization.

978460042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888965.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 978460042 is about 31280.3459379848. The cubic root of 978460042 is about 992.7678358932.

The spelling of 978460042 in words is "nine hundred seventy-eight million, four hundred sixty thousand, forty-two".