40300040 has 32 divisors (see below), whose sum is σ = 98919360. Its totient is φ = 14654400.

The previous prime is 40300037. The next prime is 40300063. The reversal of 40300040 is 4000304.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 40299994 and 40300030.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45356 + ... + 46235.

It is an arithmetic number, because the mean of its divisors is an integer number (3091230).

Almost surely, 2^40300040 is an apocalyptic number.

40300040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40300040 is an abundant number, since it is smaller than the sum of its proper divisors (58619320).

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

40300040 is a wasteful number, since it uses less digits than its factorization.

40300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91613 (or 91609 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40300040 is about 6348.2312497262. The cubic root of 40300040 is about 342.8481621325.

Adding to 40300040 its reverse (4000304), we get a palindrome (44300344).

The spelling of 40300040 in words is "forty million, three hundred thousand, forty".