1971480038 has 32 divisors (see below), whose sum is σ = 3446128800. Its totient is φ = 835932160.

The previous prime is 1971480037. The next prime is 1971480041. The reversal of 1971480038 is 8300841791.

It is a junction number, because it is equal to n+sod(n) for n = 1971479977 and 1971480004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971480037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938 + ... + 65586.

It is an arithmetic number, because the mean of its divisors is an integer number (107691525).

Almost surely, 2^1971480038 is an apocalyptic number.

1971480038 is a deficient number, since it is larger than the sum of its proper divisors (1474648762).

1971480038 is a wasteful number, since it uses less digits than its factorization.

1971480038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46792.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1971480038 is about 44401.3517587021. The cubic root of 1971480038 is about 1253.9035386595.

The spelling of 1971480038 in words is "one billion, nine hundred seventy-one million, four hundred eighty thousand, thirty-eight".