40245253303540 has 24 divisors (see below), whose sum is σ = 84586232519712. Its totient is φ = 16084539305760.

The previous prime is 40245253303537. The next prime is 40245253303571. The reversal of 40245253303540 is 4530335254204.

It is a junction number, because it is equal to n+sod(n) for n = 40245253303493 and 40245253303502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847601646 + ... + 847649125.

It is an arithmetic number, because the mean of its divisors is an integer number (3524426354988).

Almost surely, 2^{40245253303540} is an apocalyptic number.

It is an amenable number.

40245253303540 is an abundant number, since it is smaller than the sum of its proper divisors (44340979216172).

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

40245253303540 is a wasteful number, since it uses less digits than its factorization.

40245253303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695251967 (or 1695251965 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 40245253303540 its reverse (4530335254204), we get a palindrome (44775588557744).

The spelling of 40245253303540 in words is "forty trillion, two hundred forty-five billion, two hundred fifty-three million, three hundred three thousand, five hundred forty".