40551131445 has 16 divisors (see below), whose sum is σ = 70780156992. Its totient is φ = 19661154560.

The previous prime is 40551131429. The next prime is 40551131447. The reversal of 40551131445 is 54413115504.

It is not a de Polignac number, because 40551131445 - 2⁴ = 40551131429 is a prime.

It is a super-2 number, since 2×40551131445² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551131447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122882052 + ... + 122882381.

It is an arithmetic number, because the mean of its divisors is an integer number (4423759812).

Almost surely, 2^40551131445 is an apocalyptic number.

It is an amenable number.

40551131445 is a deficient number, since it is larger than the sum of its proper divisors (30229025547).

40551131445 is a wasteful number, since it uses less digits than its factorization.

40551131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245764452.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 40551131445 its reverse (54413115504), we get a palindrome (94964246949).

The spelling of 40551131445 in words is "forty billion, five hundred fifty-one million, one hundred thirty-one thousand, four hundred forty-five".