2894739540 has 192 divisors, whose sum is σ = 10228377600. Its totient is φ = 594178560.

The previous prime is 2894739527. The next prime is 2894739553. The reversal of 2894739540 is 459374982.

It is an interprime number because it is at equal distance from previous prime (2894739527) and next prime (2894739553).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 379686 + ... + 387234.

It is an arithmetic number, because the mean of its divisors is an integer number (53272800).

Almost surely, 2^2894739540 is an apocalyptic number.

2894739540 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 2894739540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5114188800).

2894739540 is an abundant number, since it is smaller than the sum of its proper divisors (7333638060).

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

2894739540 is a wasteful number, since it uses less digits than its factorization.

2894739540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 2894739540 is about 53802.7837569767. The cubic root of 2894739540 is about 1425.1803674432.

The spelling of 2894739540 in words is "two billion, eight hundred ninety-four million, seven hundred thirty-nine thousand, five hundred forty".