40301040 has 80 divisors (see below), whose sum is σ = 134553888. Its totient is φ = 9919488.

The previous prime is 40301021. The next prime is 40301047. The reversal of 40301040 is 4010304.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40301047) 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, 3339 + ... + 9578.

Almost surely, 2^40301040 is an apocalyptic number.

40301040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40301040 is an abundant number, since it is smaller than the sum of its proper divisors (94252848).

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

40301040 is a wasteful number, since it uses less digits than its factorization.

40301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946 (or 12940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40301040 is about 6348.3100113337. The cubic root of 40301040 is about 342.8509979057.

Adding to 40301040 its reverse (4010304), we get a palindrome (44311344).

The spelling of 40301040 in words is "forty million, three hundred one thousand, forty".