40035243550 has 48 divisors (see below), whose sum is σ = 76478029200. Its totient is φ = 15586688000.

The previous prime is 40035243527. The next prime is 40035243553. The reversal of 40035243550 is 5534253004.

It is a happy number.

It is a super-2 number, since 2×40035243550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40035243553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230766 + ... + 365134.

It is an arithmetic number, because the mean of its divisors is an integer number (1593292275).

Almost surely, 2^40035243550 is an apocalyptic number.

40035243550 is a deficient number, since it is larger than the sum of its proper divisors (36442785650).

40035243550 is a wasteful number, since it uses less digits than its factorization.

40035243550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134541 (or 134536 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 40035243550 its reverse (5534253004), we get a palindrome (45569496554).

The spelling of 40035243550 in words is "forty billion, thirty-five million, two hundred forty-three thousand, five hundred fifty".