40342260 has 48 divisors (see below), whose sum is σ = 129096576. Its totient is φ = 9220992.

The previous prime is 40342259. The next prime is 40342283. The reversal of 40342260 is 6224304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47607 + ... + 48446.

It is an arithmetic number, because the mean of its divisors is an integer number (2689512).

Almost surely, 2^40342260 is an apocalyptic number.

It is an amenable number.

40342260 is an abundant number, since it is smaller than the sum of its proper divisors (88754316).

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

40342260 is a wasteful number, since it uses less digits than its factorization.

40342260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96072 (or 96070 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40342260 is about 6351.5557149410. Note that the first 3 decimals coincide. The cubic root of 40342260 is about 342.9678476833.

Adding to 40342260 its reverse (6224304), we get a palindrome (46566564).

The spelling of 40342260 in words is "forty million, three hundred forty-two thousand, two hundred sixty".