40851552 has 192 divisors, whose sum is σ = 132378624. Its totient is φ = 10782720.

The previous prime is 40851533. The next prime is 40851563. The reversal of 40851552 is 25515804.

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, 770758 + ... + 770810.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^40851552 is an apocalyptic number.

40851552 is a gapful number since it is divisible by the number (42) 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 40851552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66189312).

40851552 is an abundant number, since it is smaller than the sum of its proper divisors (91527072).

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

40851552 is a wasteful number, since it uses less digits than its factorization.

40851552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 40851552 is about 6391.5218844967. The cubic root of 40851552 is about 344.4050573840.

The spelling of 40851552 in words is "forty million, eight hundred fifty-one thousand, five hundred fifty-two".