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40375441 = 234717203
BaseRepresentation
bin1001101000000…
…1010010010001
32210222021200201
42122001102101
540314003231
64001215201
71000120441
oct232012221
983867621
1040375441
1120877737
1211631501
1384986c2
145510121
153828161
hex2681491

40375441 has 4 divisors (see below), whose sum is σ = 40394992. Its totient is φ = 40355892.

The previous prime is 40375429. The next prime is 40375523. The reversal of 40375441 is 14457304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40375441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40375541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255 + ... + 10948.

It is an arithmetic number, because the mean of its divisors is an integer number (10098748).

Almost surely, 240375441 is an apocalyptic number.

It is an amenable number.

40375441 is a deficient number, since it is larger than the sum of its proper divisors (19551).

40375441 is a wasteful number, since it uses less digits than its factorization.

40375441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19550.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40375441 is about 6354.1672153005. The cubic root of 40375441 is about 343.0618508255.

The spelling of 40375441 in words is "forty million, three hundred seventy-five thousand, four hundred forty-one".

Divisors: 1 2347 17203 40375441