40151312352 has 72 divisors (see below), whose sum is σ = 114250316544. Its totient is φ = 13375563264.

The previous prime is 40151312347. The next prime is 40151312387. The reversal of 40151312352 is 25321315104.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×40151312352² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 437028 + ... + 520860.

It is an arithmetic number, because the mean of its divisors is an integer number (1586809952).

Almost surely, 2^40151312352 is an apocalyptic number.

It is an amenable number.

40151312352 is an abundant number, since it is smaller than the sum of its proper divisors (74099004192).

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

40151312352 is a wasteful number, since it uses less digits than its factorization.

40151312352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85512 (or 85501 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 40151312352 its reverse (25321315104), we get a palindrome (65472627456).

The spelling of 40151312352 in words is "forty billion, one hundred fifty-one million, three hundred twelve thousand, three hundred fifty-two".