40785980403 has 18 divisors (see below), whose sum is σ = 63263685996. Its totient is φ = 23304875328.

The previous prime is 40785980363. The next prime is 40785980419. The reversal of 40785980403 is 30408958704.

It is not a de Polignac number, because 40785980403 - 2²² = 40781786099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40785981403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2440251 + ... + 2456907.

It is an arithmetic number, because the mean of its divisors is an integer number (3514649222).

Almost surely, 2^40785980403 is an apocalyptic number.

40785980403 is a deficient number, since it is larger than the sum of its proper divisors (22477705593).

40785980403 is an frugal number, since it uses more digits than its factorization.

40785980403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33331 (or 16667 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

Multiplying 40785980403 by its sum of digits (48), we get a square (1957727059344 = 1399188²).

The spelling of 40785980403 in words is "forty billion, seven hundred eighty-five million, nine hundred eighty thousand, four hundred three".