2540305532402 has 32 divisors (see below), whose sum is σ = 4264326114048. Its totient is φ = 1124914000000.

The previous prime is 2540305532393. The next prime is 2540305532459. The reversal of 2540305532402 is 2042355030452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376474 + ... + 2641077.

It is an arithmetic number, because the mean of its divisors is an integer number (133260191064).

Almost surely, 2^{2540305532402} is an apocalyptic number.

2540305532402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2540305532402 is a deficient number, since it is larger than the sum of its proper divisors (1724020581646).

2540305532402 is a wasteful number, since it uses less digits than its factorization.

2540305532402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018306.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 2540305532402 in words is "two trillion, five hundred forty billion, three hundred five million, five hundred thirty-two thousand, four hundred two".