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40044030542400 = 2635241659200257
BaseRepresentation
bin10010001101011011110100…
…01101110100001001000000
312020210011122100011022120010
421012231322031310021000
520222040133304324100
6221055550151344520
711302041256346013
oct1106557215641100
9166704570138503
1040044030542400
111183963a328295
1245a8974982140
13194619c6a3551
149c61da0ab37a
154969854ad750
hex246b7a374240

40044030542400 has 168 divisors, whose sum is σ = 131381599913440. Its totient is φ = 10678098493440.

The previous prime is 40044030542389. The next prime is 40044030542459. The reversal of 40044030542400 is 424503044004.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199863072 + ... + 200063328.

Almost surely, 240044030542400 is an apocalyptic number.

40044030542400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40044030542400 is an abundant number, since it is smaller than the sum of its proper divisors (91337569371040).

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

40044030542400 is a wasteful number, since it uses less digits than its factorization.

40044030542400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241941 (or 241926 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 40044030542400 its reverse (424503044004), we get a palindrome (40468533586404).

The spelling of 40044030542400 in words is "forty trillion, forty-four billion, thirty million, five hundred forty-two thousand, four hundred".