43102040644454 has 64 divisors (see below), whose sum is σ = 71029468581120. Its totient is φ = 19453863792000.

The previous prime is 43102040644409. The next prime is 43102040644477. The reversal of 43102040644454 is 45444604020134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2202332489 + ... + 2202352059.

It is an arithmetic number, because the mean of its divisors is an integer number (1109835446580).

Almost surely, 2^{43102040644454} is an apocalyptic number.

43102040644454 is a deficient number, since it is larger than the sum of its proper divisors (27927427936666).

43102040644454 is a wasteful number, since it uses less digits than its factorization.

43102040644454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077.

The product of its (nonzero) digits is 737280, while the sum is 41.

Adding to 43102040644454 its reverse (45444604020134), we get a palindrome (88546644664588).

The spelling of 43102040644454 in words is "forty-three trillion, one hundred two billion, forty million, six hundred forty-four thousand, four hundred fifty-four".