2978744032 has 48 divisors (see below), whose sum is σ = 6408146304. Its totient is φ = 1351728000.

The previous prime is 2978744023. The next prime is 2978744047. The reversal of 2978744032 is 2304478792.

It is a congruent number.

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, 215407 + ... + 228817.

It is an arithmetic number, because the mean of its divisors is an integer number (133503048).

Almost surely, 2^2978744032 is an apocalyptic number.

2978744032 is a gapful number since it is divisible by the number (22) 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 2978744032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3204073152).

2978744032 is an abundant number, since it is smaller than the sum of its proper divisors (3429402272).

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

2978744032 is a wasteful number, since it uses less digits than its factorization.

2978744032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14063 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 2978744032 is about 54577.8712666590. The cubic root of 2978744032 is about 1438.8352257975.

The spelling of 2978744032 in words is "two billion, nine hundred seventy-eight million, seven hundred forty-four thousand, thirty-two".