40212553903 has 2 divisors, whose sum is σ = 40212553904. Its totient is φ = 40212553902.

The previous prime is 40212553889. The next prime is 40212553951. The reversal of 40212553903 is 30935521204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40212553903 is a prime.

It is a super-4 number, since 4×40212553903⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40212553963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106276951 + 20106276952.

It is an arithmetic number, because the mean of its divisors is an integer number (20106276952).

Almost surely, 2^40212553903 is an apocalyptic number.

40212553903 is a deficient number, since it is larger than the sum of its proper divisors (1).

40212553903 is an equidigital number, since it uses as much as digits as its factorization.

40212553903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 40212553903 in words is "forty billion, two hundred twelve million, five hundred fifty-three thousand, nine hundred three".