40135033551 has 8 divisors (see below), whose sum is σ = 53521008640. Its totient is φ = 26752873752.

The previous prime is 40135033541. The next prime is 40135033607. The reversal of 40135033551 is 15533053104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40135033551 - 2⁶ = 40135033487 is a prime.

It is a super-2 number, since 2×40135033551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135033541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929185 + ... + 971418.

It is an arithmetic number, because the mean of its divisors is an integer number (6690126080).

Almost surely, 2^40135033551 is an apocalyptic number.

40135033551 is a deficient number, since it is larger than the sum of its proper divisors (13385975089).

40135033551 is a wasteful number, since it uses less digits than its factorization.

40135033551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907645.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 40135033551 its reverse (15533053104), we get a palindrome (55668086655).

The spelling of 40135033551 in words is "forty billion, one hundred thirty-five million, thirty-three thousand, five hundred fifty-one".