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40344040670 = 255801695467
BaseRepresentation
bin100101100100101100…
…010011010011011110
310212010122102121120112
4211210230103103132
51130111033300140
630311144450022
72625522454553
oct454454232336
9125118377515
1040344040670
111612318297a
12799b179912
133a5c43011b
141d4a166a2a
1510b1ce4c65
hex964b134de

40344040670 has 16 divisors (see below), whose sum is σ = 72631896048. Its totient is φ = 16134811200.

The previous prime is 40344040613. The next prime is 40344040679. The reversal of 40344040670 is 7604044304.

40344040670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×403440406702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344040679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289724 + ... + 405743.

It is an arithmetic number, because the mean of its divisors is an integer number (4539493503).

Almost surely, 240344040670 is an apocalyptic number.

40344040670 is a deficient number, since it is larger than the sum of its proper divisors (32287855378).

40344040670 is a wasteful number, since it uses less digits than its factorization.

40344040670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701275.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 40344040670 its reverse (7604044304), we get a palindrome (47948084974).

The spelling of 40344040670 in words is "forty billion, three hundred forty-four million, forty thousand, six hundred seventy".

Divisors: 1 2 5 10 5801 11602 29005 58010 695467 1390934 3477335 6954670 4034404067 8068808134 20172020335 40344040670