1970540336 has 20 divisors (see below), whose sum is σ = 3843210864. Its totient is φ = 978744000.

The previous prime is 1970540309. The next prime is 1970540359. The reversal of 1970540336 is 6330450791.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1970540336.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405395 + ... + 410226.

Almost surely, 2^1970540336 is an apocalyptic number.

1970540336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1970540336 is a deficient number, since it is larger than the sum of its proper divisors (1872670528).

1970540336 is a wasteful number, since it uses less digits than its factorization.

1970540336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815780 (or 815774 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1970540336 is about 44390.7685898769. The cubic root of 1970540336 is about 1253.7042834637.

The spelling of 1970540336 in words is "one billion, nine hundred seventy million, five hundred forty thousand, three hundred thirty-six".