40016533623 has 32 divisors (see below), whose sum is σ = 60826816512. Its totient is φ = 23184386400.

The previous prime is 40016533607. The next prime is 40016533643. The reversal of 40016533623 is 32633561004.

It is not a de Polignac number, because 40016533623 - 2⁴ = 40016533607 is a prime.

It is a super-2 number, since 2×40016533623² (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 (40016533643) 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 31 ways as a sum of consecutive naturals, for example, 233313 + ... + 366698.

It is an arithmetic number, because the mean of its divisors is an integer number (1900838016).

Almost surely, 2^40016533623 is an apocalyptic number.

40016533623 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40016533623 is a deficient number, since it is larger than the sum of its proper divisors (20810282889).

40016533623 is a wasteful number, since it uses less digits than its factorization.

40016533623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600115.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 40016533623 in words is "forty billion, sixteen million, five hundred thirty-three thousand, six hundred twenty-three".