40463740 has 48 divisors (see below), whose sum is σ = 91494144. Its totient is φ = 14976000.

The previous prime is 40463737. The next prime is 40463741. The reversal of 40463740 is 4736404.

It is a junction number, because it is equal to n+sod(n) for n = 40463699 and 40463708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40463741) 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, 19765 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (1906128).

Almost surely, 2^40463740 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 40463740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45747072).

40463740 is an abundant number, since it is smaller than the sum of its proper divisors (51030404).

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

40463740 is a wasteful number, since it uses less digits than its factorization.

40463740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40463740 is about 6361.1115380883. Note that the first 3 decimals coincide. The cubic root of 40463740 is about 343.3117549095.

The spelling of 40463740 in words is "forty million, four hundred sixty-three thousand, seven hundred forty".