40526433431 has 8 divisors (see below), whose sum is σ = 44257849104. Its totient is φ = 36802883520.

The previous prime is 40526433391. The next prime is 40526433443. The reversal of 40526433431 is 13433462504.

40526433431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40526433431 - 2¹⁴ = 40526417047 is a prime.

It is a super-2 number, since 2×40526433431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40526433391 and 40526433400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40526433131) 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, 1955660 + ... + 1976273.

It is an arithmetic number, because the mean of its divisors is an integer number (5532231138).

Almost surely, 2^40526433431 is an apocalyptic number.

40526433431 is a deficient number, since it is larger than the sum of its proper divisors (3731415673).

40526433431 is a wasteful number, since it uses less digits than its factorization.

40526433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932881.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 40526433431 its reverse (13433462504), we get a palindrome (53959895935).

The spelling of 40526433431 in words is "forty billion, five hundred twenty-six million, four hundred thirty-three thousand, four hundred thirty-one".