40245133072 has 10 divisors (see below), whose sum is σ = 77974945358. Its totient is φ = 20122566528.

The previous prime is 40245133067. The next prime is 40245133087. The reversal of 40245133072 is 27033154204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39809826576 + 435306496 = 199524^2 + 20864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257660393 + ... + 1257660424.

Almost surely, 2^40245133072 is an apocalyptic number.

It is an amenable number.

40245133072 is a deficient number, since it is larger than the sum of its proper divisors (37729812286).

40245133072 is a wasteful number, since it uses less digits than its factorization.

40245133072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515320825 (or 2515320819 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 40245133072 its reverse (27033154204), we get a palindrome (67278287276).

The spelling of 40245133072 in words is "forty billion, two hundred forty-five million, one hundred thirty-three thousand, seventy-two".