40030231249 has 2 divisors, whose sum is σ = 40030231250. Its totient is φ = 40030231248.

The previous prime is 40030231207. The next prime is 40030231271. The reversal of 40030231249 is 94213203004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39072638224 + 957593025 = 197668^2 + 30945^2 .

It is a cyclic number.

It is not a de Polignac number, because 40030231249 - 2³¹ = 37882747601 is a prime.

It is a super-2 number, since 2×40030231249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40030231649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015115624 + 20015115625.

It is an arithmetic number, because the mean of its divisors is an integer number (20015115625).

Almost surely, 2^40030231249 is an apocalyptic number.

It is an amenable number.

40030231249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40030231249 is an equidigital number, since it uses as much as digits as its factorization.

40030231249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 40030231249 in words is "forty billion, thirty million, two hundred thirty-one thousand, two hundred forty-nine".