40146045488641 has 8 divisors (see below), whose sum is σ = 40171164546240. Its totient is φ = 40120927160688.

The previous prime is 40146045488561. The next prime is 40146045488683. The reversal of 40146045488641 is 14688454064104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40146045488641 - 2¹⁹ = 40146044964353 is a prime.

It is a super-2 number, since 2×40146045488641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40146045428641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146635020 + ... + 146908546.

It is an arithmetic number, because the mean of its divisors is an integer number (5021395568280).

Almost surely, 2^{40146045488641} is an apocalyptic number.

It is an amenable number.

40146045488641 is a deficient number, since it is larger than the sum of its proper divisors (25119057599).

40146045488641 is a wasteful number, since it uses less digits than its factorization.

40146045488641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364823.

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 40146045488641 in words is "forty trillion, one hundred forty-six billion, forty-five million, four hundred eighty-eight thousand, six hundred forty-one".