40303003890 has 32 divisors (see below), whose sum is σ = 96843948480. Its totient is φ = 10734496704.

The previous prime is 40303003883. The next prime is 40303003903. The reversal of 40303003890 is 9830030304.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785404 + ... + 835143.

It is an arithmetic number, because the mean of its divisors is an integer number (3026373390).

Almost surely, 2^40303003890 is an apocalyptic number.

40303003890 is an abundant number, since it is smaller than the sum of its proper divisors (56540944590).

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

40303003890 is a wasteful number, since it uses less digits than its factorization.

40303003890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621386.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 40303003890 in words is "forty billion, three hundred three million, three thousand, eight hundred ninety".