40155144000 has 112 divisors (see below), whose sum is σ = 132592364736. Its totient is φ = 10708032000.

The previous prime is 40155143971. The next prime is 40155144047. The reversal of 40155144000 is 44155104.

It is a happy number.

It is a super-2 number, since 2×40155144000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 812566 + ... + 860565.

Almost surely, 2^40155144000 is an apocalyptic number.

40155144000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40155144000 is an abundant number, since it is smaller than the sum of its proper divisors (92437220736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40155144000 is a wasteful number, since it uses less digits than its factorization.

40155144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673161 (or 1673141 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 40155144000 its reverse (44155104), we get a palindrome (40199299104).

The spelling of 40155144000 in words is "forty billion, one hundred fifty-five million, one hundred forty-four thousand".