40543055451 has 24 divisors (see below), whose sum is σ = 60016202064. Its totient is φ = 26358186240.

The previous prime is 40543055411. The next prime is 40543055467. The reversal of 40543055451 is 15455034504.

40543055451 is a `hidden beast` number, since 4 + 0 + 54 + 3 + 0 + 554 + 51 = 666.

It is not a de Polignac number, because 40543055451 - 2²¹ = 40540958299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40543055411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888055 + ... + 932591.

It is an arithmetic number, because the mean of its divisors is an integer number (2500675086).

Almost surely, 2^40543055451 is an apocalyptic number.

40543055451 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40543055451 is a deficient number, since it is larger than the sum of its proper divisors (19473146613).

40543055451 is a wasteful number, since it uses less digits than its factorization.

40543055451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47051 (or 47048 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 40543055451 its reverse (15455034504), we get a palindrome (55998089955).

The spelling of 40543055451 in words is "forty billion, five hundred forty-three million, fifty-five thousand, four hundred fifty-one".