40461552 has 80 divisors (see below), whose sum is σ = 116932000. Its totient is φ = 13395456.

The previous prime is 40461527. The next prime is 40461559. The reversal of 40461552 is 25516404.

40461552 is a `hidden beast` number, since 40 + 4 + 615 + 5 + 2 = 666.

It is a super-3 number, since 3×40461552³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40461559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98724 + ... + 99132.

It is an arithmetic number, because the mean of its divisors is an integer number (1461650).

Almost surely, 2^40461552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40461552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58466000).

40461552 is an abundant number, since it is smaller than the sum of its proper divisors (76470448).

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

40461552 is a wasteful number, since it uses less digits than its factorization.

40461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40461552 is about 6360.9395532421. The cubic root of 40461552 is about 343.3055668206.

Adding to 40461552 its reverse (25516404), we get a palindrome (65977956).

The spelling of 40461552 in words is "forty million, four hundred sixty-one thousand, five hundred fifty-two".