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40136344 = 235017043
BaseRepresentation
bin1001100100011…
…0111010011000
32210112010201021
42121012322120
540233330334
63552132224
7665103403
oct231067230
983463637
1040136344
1120724036
1211537074
138413921
14548ad3a
1537cc3b4
hex2646e98

40136344 has 8 divisors (see below), whose sum is σ = 75255660. Its totient is φ = 20068168.

The previous prime is 40136339. The next prime is 40136387. The reversal of 40136344 is 44363104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×401363442 = 3221852219372672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508514 + ... + 2508529.

Almost surely, 240136344 is an apocalyptic number.

It is an amenable number.

40136344 is a deficient number, since it is larger than the sum of its proper divisors (35119316).

40136344 is a wasteful number, since it uses less digits than its factorization.

40136344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017049 (or 5017045 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40136344 is about 6335.3250903170. The cubic root of 40136344 is about 342.3833236048.

Adding to 40136344 its reverse (44363104), we get a palindrome (84499448).

The spelling of 40136344 in words is "forty million, one hundred thirty-six thousand, three hundred forty-four".

Divisors: 1 2 4 8 5017043 10034086 20068172 40136344