40540071802 has 16 divisors (see below), whose sum is σ = 64395171072. Its totient is φ = 19075311040.

The previous prime is 40540071797. The next prime is 40540071809. The reversal of 40540071802 is 20817004504.

It is a super-2 number, since 2×40540071802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40540071809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220677 + ... + 360247.

It is an arithmetic number, because the mean of its divisors is an integer number (4024698192).

Almost surely, 2^40540071802 is an apocalyptic number.

40540071802 is a deficient number, since it is larger than the sum of its proper divisors (23855099270).

40540071802 is a wasteful number, since it uses less digits than its factorization.

40540071802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148133.

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 40540071802 in words is "forty billion, five hundred forty million, seventy-one thousand, eight hundred two".