40634234528 has 12 divisors (see below), whose sum is σ = 79998649290. Its totient is φ = 20317117248.

The previous prime is 40634234519. The next prime is 40634234551. The reversal of 40634234528 is 82543243604.

It can be written as a sum of positive squares in only one way, i.e., 40325459344 + 308775184 = 200812^2 + 17572^2 .

It is a super-2 number, since 2×40634234528² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634909883 + ... + 634909946.

Almost surely, 2^40634234528 is an apocalyptic number.

It is an amenable number.

40634234528 is a deficient number, since it is larger than the sum of its proper divisors (39364414762).

40634234528 is a wasteful number, since it uses less digits than its factorization.

40634234528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269819839 (or 1269819831 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 40634234528 in words is "forty billion, six hundred thirty-four million, two hundred thirty-four thousand, five hundred twenty-eight".