34253402440 has 32 divisors (see below), whose sum is σ = 78949919160. Its totient is φ = 13367180800.

The previous prime is 34253402431. The next prime is 34253402479. The reversal of 34253402440 is 4420435243.

It can be written as a sum of positive squares in 4 ways, for example, as 25931949156 + 8321453284 = 161034^2 + 91222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10441471 + ... + 10444750.

Almost surely, 2^34253402440 is an apocalyptic number.

It is an amenable number.

34253402440 is an abundant number, since it is smaller than the sum of its proper divisors (44696516720).

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

34253402440 is a wasteful number, since it uses less digits than its factorization.

34253402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886273 (or 20886269 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 34253402440 its reverse (4420435243), we get a palindrome (38673837683).

The spelling of 34253402440 in words is "thirty-four billion, two hundred fifty-three million, four hundred two thousand, four hundred forty".