40051552 has 24 divisors (see below), whose sum is σ = 81572400. Its totient is φ = 19334784.

The previous prime is 40051519. The next prime is 40051559. The reversal of 40051552 is 25515004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20652 + ... + 22507.

It is an arithmetic number, because the mean of its divisors is an integer number (3398850).

Almost surely, 2^40051552 is an apocalyptic number.

It is an amenable number.

40051552 is an abundant number, since it is smaller than the sum of its proper divisors (41520848).

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

40051552 is a wasteful number, since it uses less digits than its factorization.

40051552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43198 (or 43190 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 40051552 is about 6328.6295514906. The cubic root of 40051552 is about 342.1420473965.

Adding to 40051552 its reverse (25515004), we get a palindrome (65566556).

The spelling of 40051552 in words is "forty million, fifty-one thousand, five hundred fifty-two".