40744577328 has 160 divisors (see below), whose sum is σ = 129639369216. Its totient is φ = 10738151424.

The previous prime is 40744577309. The next prime is 40744577329. The reversal of 40744577328 is 82377544704.

It is not an unprimeable number, because it can be changed into a prime (40744577329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8746776 + ... + 8751432.

Almost surely, 2^40744577328 is an apocalyptic number.

40744577328 is a gapful number since it is divisible by the number (48) 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 40744577328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64819684608).

40744577328 is an abundant number, since it is smaller than the sum of its proper divisors (88894791888).

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

40744577328 is a wasteful number, since it uses less digits than its factorization.

40744577328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 40744577328 in words is "forty billion, seven hundred forty-four million, five hundred seventy-seven thousand, three hundred twenty-eight".