749160732040 has 32 divisors (see below), whose sum is σ = 1926413311680. Its totient is φ = 256855108032.

The previous prime is 749160731999. The next prime is 749160732079. The reversal of 749160732040 is 40237061947.

It is a super-2 number, since 2×749160732040² (a number of 25 digits) contains 22 as substring.

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, 1337786742 + ... + 1337787301.

It is an arithmetic number, because the mean of its divisors is an integer number (60200415990).

Almost surely, 2^749160732040 is an apocalyptic number.

749160732040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749160732040 is an abundant number, since it is smaller than the sum of its proper divisors (1177252579640).

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

749160732040 is a wasteful number, since it uses less digits than its factorization.

749160732040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675574061 (or 2675574057 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

Adding to 749160732040 its reverse (40237061947), we get a palindrome (789397793987).

The spelling of 749160732040 in words is "seven hundred forty-nine billion, one hundred sixty million, seven hundred thirty-two thousand, forty".