40430213552531 has 16 divisors (see below), whose sum is σ = 46986401427840. Its totient is φ = 34400758158720.

The previous prime is 40430213552473. The next prime is 40430213552579. The reversal of 40430213552531 is 13525531203404.

It is not a de Polignac number, because 40430213552531 - 2³⁸ = 40155335645587 is a prime.

It is a super-2 number, since 2×40430213552531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430213552431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165319990 + ... + 1165354683.

It is an arithmetic number, because the mean of its divisors is an integer number (2936650089240).

Almost surely, 2^{40430213552531} is an apocalyptic number.

40430213552531 is a deficient number, since it is larger than the sum of its proper divisors (6556187875309).

40430213552531 is a wasteful number, since it uses less digits than its factorization.

40430213552531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330674786.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 40430213552531 its reverse (13525531203404), we get a palindrome (53955744755935).

The spelling of 40430213552531 in words is "forty trillion, four hundred thirty billion, two hundred thirteen million, five hundred fifty-two thousand, five hundred thirty-one".