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40892040 = 233557601
BaseRepresentation
bin1001101111111…
…1011010001000
32211221112100000
42123333122020
540432021130
64020243000
71004401530
oct233773210
984845300
1040892040
112109a882
1211840460
138619897
1456064c0
1538cb260
hex26ff688

40892040 has 192 divisors, whose sum is σ = 157772160. Its totient is φ = 9331200.

The previous prime is 40892039. The next prime is 40892053. The reversal of 40892040 is 4029804.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40891995 and 40892013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67740 + ... + 68340.

It is an arithmetic number, because the mean of its divisors is an integer number (821730).

Almost surely, 240892040 is an apocalyptic number.

40892040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40892040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78886080).

40892040 is an abundant number, since it is smaller than the sum of its proper divisors (116880120).

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

40892040 is a wasteful number, since it uses less digits than its factorization.

40892040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40892040 is about 6394.6884208693. The cubic root of 40892040 is about 344.5187998416.

The spelling of 40892040 in words is "forty million, eight hundred ninety-two thousand, forty".