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40495625 = 5464793
BaseRepresentation
bin1001101001111…
…0101000001001
32211012101112222
42122132220021
540331330000
64003543425
71001131022
oct232365011
984171488
1040495625
1120949a65
121168ab75
13850b311
145541c49
15384da85
hex269ea09

40495625 has 10 divisors (see below), whose sum is σ = 50604114. Its totient is φ = 32396000.

The previous prime is 40495619. The next prime is 40495639. The reversal of 40495625 is 52659404.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 5968249 + 34527376 = 2443^2 + 5876^2 .

It is not a de Polignac number, because 40495625 - 220 = 39447049 is a prime.

It is a cake number, because a cake can be divided into 40495625 parts by 624 planar cuts.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31772 + ... + 33021.

Almost surely, 240495625 is an apocalyptic number.

It is an amenable number.

40495625 is a deficient number, since it is larger than the sum of its proper divisors (10108489).

40495625 is an frugal number, since it uses more digits than its factorization.

40495625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64813 (or 64798 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 40495625 is about 6363.6172889325. The cubic root of 40495625 is about 343.4019065804.

The spelling of 40495625 in words is "forty million, four hundred ninety-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 64793 323965 1619825 8099125 40495625