40748340 has 48 divisors (see below), whose sum is σ = 114408000. Its totient is φ = 10836480.

The previous prime is 40748333. The next prime is 40748347. The reversal of 40748340 is 4384704.

40748340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40748333) and next prime (40748347).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40748298 and 40748307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29260 + ... + 30620.

It is an arithmetic number, because the mean of its divisors is an integer number (2383500).

Almost surely, 2^40748340 is an apocalyptic number.

It is an amenable number.

40748340 is an abundant number, since it is smaller than the sum of its proper divisors (73659660).

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

40748340 is a wasteful number, since it uses less digits than its factorization.

40748340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40748340 is about 6383.4426448430. The cubic root of 40748340 is about 344.1147647548.

The spelling of 40748340 in words is "forty million, seven hundred forty-eight thousand, three hundred forty".