40201400155 has 16 divisors (see below), whose sum is σ = 56478066624. Its totient is φ = 26894315520.

The previous prime is 40201400153. The next prime is 40201400159. The reversal of 40201400155 is 55100410204.

It is not a de Polignac number, because 40201400155 - 2¹ = 40201400153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40201400153) 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, 14006022 + ... + 14008891.

It is an arithmetic number, because the mean of its divisors is an integer number (3529879164).

Almost surely, 2^40201400155 is an apocalyptic number.

40201400155 is a deficient number, since it is larger than the sum of its proper divisors (16276666469).

40201400155 is a wasteful number, since it uses less digits than its factorization.

40201400155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28014966.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 40201400155 its reverse (55100410204), we get a palindrome (95301810359).

The spelling of 40201400155 in words is "forty billion, two hundred one million, four hundred thousand, one hundred fifty-five".