4040025029 has 2 divisors, whose sum is σ = 4040025030. Its totient is φ = 4040025028.

The previous prime is 4040025007. The next prime is 4040025037. The reversal of 4040025029 is 9205200404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2317941025 + 1722084004 = 48145^2 + 41498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040025029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4040024989 and 4040025007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040025929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020012514 + 2020012515.

It is an arithmetic number, because the mean of its divisors is an integer number (2020012515).

Almost surely, 2^4040025029 is an apocalyptic number.

It is an amenable number.

4040025029 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040025029 is an equidigital number, since it uses as much as digits as its factorization.

4040025029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4040025029 is about 63561.1912175976. The cubic root of 4040025029 is about 1592.6781373823.

The spelling of 4040025029 in words is "four billion, forty million, twenty-five thousand, twenty-nine".