7141742640 has 120 divisors (see below), whose sum is σ = 23999655888. Its totient is φ = 1903249920.

The previous prime is 7141742549. The next prime is 7141742683. The reversal of 7141742640 is 462471417.

It is a happy number.

7141742640 is a `hidden beast` number, since 7 + 1 + 4 + 1 + 7 + 4 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7141742595 and 7141742604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2058187 + ... + 2061653.

Almost surely, 2^7141742640 is an apocalyptic number.

It is an amenable number.

7141742640 is an abundant number, since it is smaller than the sum of its proper divisors (16857913248).

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

7141742640 is a wasteful number, since it uses less digits than its factorization.

7141742640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 7141742640 is about 84508.8317278141. The cubic root of 7141742640 is about 1925.7566162760.

The spelling of 7141742640 in words is "seven billion, one hundred forty-one million, seven hundred forty-two thousand, six hundred forty".