2739287040 has 352 divisors, whose sum is σ = 10179321600. Its totient is φ = 615776256.

The previous prime is 2739287011. The next prime is 2739287059. The reversal of 2739287040 is 407829372.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2739286983 and 2739287001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7848786 + ... + 7849134.

Almost surely, 2^2739287040 is an apocalyptic number.

2739287040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2739287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5089660800).

2739287040 is an abundant number, since it is smaller than the sum of its proper divisors (7440034560).

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

2739287040 is a wasteful number, since it uses less digits than its factorization.

2739287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2739287040 is about 52338.1986698052. The cubic root of 2739287040 is about 1399.1980168661.

The spelling of 2739287040 in words is "two billion, seven hundred thirty-nine million, two hundred eighty-seven thousand, forty".