40061472 has 96 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 11915520.

The previous prime is 40061467. The next prime is 40061477. The reversal of 40061472 is 27416004.

It is an interprime number because it is at equal distance from previous prime (40061467) and next prime (40061477).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40061477) 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, 61983 + ... + 62625.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^40061472 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 40061472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58423680).

40061472 is an abundant number, since it is smaller than the sum of its proper divisors (76785888).

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

40061472 is a wasteful number, since it uses less digits than its factorization.

40061472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 40061472 is about 6329.4132429476. The cubic root of 40061472 is about 342.1702924021.

Adding to 40061472 its reverse (27416004), we get a palindrome (67477476).

The spelling of 40061472 in words is "forty million, sixty-one thousand, four hundred seventy-two".