40262819453 has 4 divisors (see below), whose sum is σ = 40311861468. Its totient is φ = 40213777440.

The previous prime is 40262819447. The next prime is 40262819483. The reversal of 40262819453 is 35491826204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15625750009 + 24637069444 = 125003^2 + 156962^2 .

It is a cyclic number.

It is not a de Polignac number, because 40262819453 - 2¹⁶ = 40262753917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40262819413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24519776 + ... + 24521417.

It is an arithmetic number, because the mean of its divisors is an integer number (10077965367).

Almost surely, 2^40262819453 is an apocalyptic number.

It is an amenable number.

40262819453 is a deficient number, since it is larger than the sum of its proper divisors (49042015).

40262819453 is an equidigital number, since it uses as much as digits as its factorization.

40262819453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49042014.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 40262819453 in words is "forty billion, two hundred sixty-two million, eight hundred nineteen thousand, four hundred fifty-three".