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40040740070 = 2511777339991
BaseRepresentation
bin100101010010100111…
…010011010011100110
310211100111201100100222
4211102213103103212
51124000412140240
630221112004342
72615150450342
oct452247232346
9124314640328
1040040740070
1115a87a54721
1279156906b2
133a11647c06
141d1bb74622
151095382eb5
hex9529d34e6

40040740070 has 16 divisors (see below), whose sum is σ = 72079663968. Its totient is φ = 16014888960.

The previous prime is 40040740063. The next prime is 40040740079. The reversal of 40040740070 is 7004704004.

40040740070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040740079) 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, 52226 + ... + 287765.

It is an arithmetic number, because the mean of its divisors is an integer number (4504978998).

Almost surely, 240040740070 is an apocalyptic number.

40040740070 is a deficient number, since it is larger than the sum of its proper divisors (32038923898).

40040740070 is a wasteful number, since it uses less digits than its factorization.

40040740070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351775.

The product of its (nonzero) digits is 3136, while the sum is 26.

The spelling of 40040740070 in words is "forty billion, forty million, seven hundred forty thousand, seventy".

Divisors: 1 2 5 10 11777 23554 58885 117770 339991 679982 1699955 3399910 4004074007 8008148014 20020370035 40040740070