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40000054452 = 22320743160697
BaseRepresentation
bin100101010000001100…
…000110010010110100
310211020200011022012020
4211100030012102310
51123410003220302
630213055553140
72614144565361
oct452014062264
9124220138166
1040000054452
1115a66a95a46
127903b2b7b0
133a060a1297
141d165c3468
1510919e7ebc
hex9503064b4

40000054452 has 24 divisors (see below), whose sum is σ = 93338540736. Its totient is φ = 13332625728.

The previous prime is 40000054427. The next prime is 40000054489. The reversal of 40000054452 is 25445000004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168568 + ... + 329264.

It is an arithmetic number, because the mean of its divisors is an integer number (3889105864).

Almost surely, 240000054452 is an apocalyptic number.

It is an amenable number.

40000054452 is an abundant number, since it is smaller than the sum of its proper divisors (53338486284).

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

40000054452 is a wasteful number, since it uses less digits than its factorization.

40000054452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181447 (or 181445 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 40000054452 its reverse (25445000004), we get a palindrome (65445054456).

The spelling of 40000054452 in words is "forty billion, fifty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 20743 41486 62229 82972 124458 160697 248916 321394 482091 642788 964182 1928364 3333337871 6666675742 10000013613 13333351484 20000027226 40000054452