7738264140 has 48 divisors (see below), whose sum is σ = 22807518720. Its totient is φ = 1954929600.

The previous prime is 7738264117. The next prime is 7738264147. The reversal of 7738264140 is 414628377.

It is a junction number, because it is equal to n+sod(n) for n = 7738264092 and 7738264101.

It is not an unprimeable number, because it can be changed into a prime (7738264147) 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, 3392836 + ... + 3395115.

It is an arithmetic number, because the mean of its divisors is an integer number (475156640).

Almost surely, 2^7738264140 is an apocalyptic number.

It is an amenable number.

7738264140 is an abundant number, since it is smaller than the sum of its proper divisors (15069254580).

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

7738264140 is a wasteful number, since it uses less digits than its factorization.

7738264140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787982 (or 6787980 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 7738264140 is about 87967.4038493805. The cubic root of 7738264140 is about 1977.9463913417.

The spelling of 7738264140 in words is "seven billion, seven hundred thirty-eight million, two hundred sixty-four thousand, one hundred forty".