1970441538 has 32 divisors (see below), whose sum is σ = 4245720192. Its totient is φ = 606048000.

The previous prime is 1970441537. The next prime is 1970441573. The reversal of 1970441538 is 8351440791.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970441538.

It is not an unprimeable number, because it can be changed into a prime (1970441537) 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, 365563 + ... + 370913.

It is an arithmetic number, because the mean of its divisors is an integer number (132678756).

Almost surely, 2^1970441538 is an apocalyptic number.

1970441538 is an abundant number, since it is smaller than the sum of its proper divisors (2275278654).

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

1970441538 is a wasteful number, since it uses less digits than its factorization.

1970441538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1970441538 is about 44389.6557544660. The cubic root of 1970441538 is about 1253.6833305735.

The spelling of 1970441538 in words is "one billion, nine hundred seventy million, four hundred forty-one thousand, five hundred thirty-eight".